Best Antivirus for Windows 11 to Use in 2026

Keeping your Windows 11 PC safe in 2025 requires robust antivirus protection. Viruses, ransomware, and phishing attacks are more sophisticated than ever, so choosing the right security software is critical. While Windows 11 includes built-in Microsoft Defender antivirus, many users opt for third-party solutions to gain stronger malware defenses and extra features like VPNs, password managers, and identity theft protection. In this article, we’ve compiled a comprehensive, ranked list of the 10 best antivirus software for Windows 11 home users in 2025, including both free and paid options.

How We Selected the Best Antivirus: We evaluated each antivirus on malware detection rates, protection scores, system performance impact, ease of use, extra features (VPN, ransomware protection, parental controls, password manager, etc.), customer support, and overall value. Our research draws on independent lab tests from AV-Test and AV-Comparatives, as well as expert reviews from PCMag, TechRadar, Tom’s Guide, PCWorld and more. Notably, many top products achieved perfect 6/6 scores in AV-Test’s latest Windows 11 evaluations for protection, performance, and usability, and AV-Comparatives’ 2024 tests awarded multiple vendors with “Top Rated” honors. We also considered real-world testing insights on usability and support to ensure these picks are not only secure but user-friendly.

NOTE

Our testing is quite in-depth but if you’re in rush, we think BitDefender Total Security is truly the best Windows 11 antivirus for now. Keep reading below why.

Below you’ll find an at-a-glance comparison of free vs. paid antivirus options, followed by in-depth reviews of each recommended program. Whether you need a full-featured premium suite or a reliable free antivirus for basic protection, these are the best options to keep your Windows 11 PC safe in 2025.

Free vs. Paid Antivirus – Quick Comparison

To help you decide between free and paid solutions, the table below highlights key differences and offerings of top antivirus options in 2025:

Antivirus Software	Free Version	Lab Protection Scores	Performance Impact	Notable Features (Paid)	Price (Paid Plans)
Bitdefender Total Security	30-day free trial (free basic AV available)	Protection: 6/6 (100%) Usability: 6/6 (100%)	Low. Light on system (AV-Comparatives Bronze in Performance)	Multi-layer malware & ransomware protection; Secure banking browser; VPN (200MB/day); Password Manager; Firewall; Anti-phishing	~$59.99 first year (5 devices); ~$109.99/yr on renewal
Norton 360 Deluxe	7-day free trial	Protection: 6/6 (100%) Usability: 6/6 (100%)	Moderate. Minimal lag on modern PCs; can impact older PCs during heavy file operations	Excellent malware defense; Unlimited VPN & Cloud Backup (50GB); Password Manager; Parental Controls; Firewall; Dark web monitoring	~$49.99 first year (5 devices); ~$120/yr thereafter
Kaspersky (Premium/Standard)	Yes – Kaspersky Free available	Protection: 6/6 (100%) Usability: 6/6 (100%)	Low. Very low impact (AV-Comparatives Silver in Performance)	Outstanding malware detection; Safe Money secure browser for banking; Vulnerability scanner; Ransomware rollback; Webcam & privacy protection	~$59.99/year (Standard, 1 device); Premium suites with more features ~$89.99+/year
McAfee Total Protection (McAfee+)	Free trial (no permanent free)	Protection: 6/6 (100%) Usability: 6/6 (100%)	Very Low. Top performance (AV-Comparatives Gold in Performance)	Solid antivirus engine; Identity Theft Protection (credit monitoring); Unlimited VPN (in premium tiers); Firewall & network analyzer; File shredder	~$49.99-$69.99 first year (up to unlimited devices) depending on plan; renewals higher
Avast One (Avast Free Antivirus)	Yes – Avast Free Antivirus provides core protection	Protection: 6/6 (100%) Usability: 6/6 (100%)	Low-Medium. Generally light background use; full scans can slow budget PCs	User-friendly interface; Web & Email threat protection; Ransomware Shield; VPN (premium); Device cleanup utilities; Dark Web monitoring	Free (basic). Premium One: ~$50-$85 first year (5-30 devices)
AVG Internet Security (AVG AntiVirus Free)	Yes – AVG Free Antivirus available	Protection: 6/6 (100%) Usability: 6/6 (100%)	Low-Medium. Low impact in background; heavy workloads may see a hit	Same core engine as Avast; Enhanced Firewall; Anti-phishing & DNS hijack protection; Webcam protection; Sensitive data shield	Free (basic). Internet Security: ~$59.99 first year (10 devices); ~$100/yr thereafter
Avira Prime (Avira Free Antivirus)	Yes – Avira Free Antivirus available	Protection: 6/6 (100%) Usability: 6/6 (100%)	Low. Minimal routine impact; older PCs may slow on full scan	Clean, beginner-friendly UI; Unlimited VPN (Prime); Password Manager; System optimizer & software updater tools; Safe shopping/browser protection	Free (basic). Prime suite: ~$59.99/year (5 devices)
Malwarebytes Premium (Malwarebytes Free)	Yes – Free version for on-demand scan only	No AV-Test scores (focused anti-malware) Real-world: PCMag “excellent” malware cleanup results	Very Low. Lightweight and fast scanning	Specializes in malware & ransomware removal; URL/Phishing protection; Browser Guard extension; Simple, no-frills interface; Can run alongside other AV	Free (manual cleanup only). Premium: ~$39.99/year (1 device) – often discounted
Microsoft Defender (Windows Security)	Yes – Built into Windows 11	Protection: 6/6 (100%) Usability: 6/6 (100%)	Low. Integrated into OS for efficiency	Built-in firewall; System settings protection (SmartScreen); Basic parental controls via Family Safety; Cloud-delivered protection; Auto-updates via Windows Update	Free with Windows 10/11 (no subscription needed)
ESET Internet Security (ESET NOD32)	30-day free trial (no free perpetual)	Protection: 6/6 (100%) Performance: 5.5/6 (~92%)	Low. Optimized engine; ranked among lowest impact products	Advanced customization for power users; Banking & Payment Protection; Device control (USB drive scanning); Network attack protection; Light and fast interface	~$59.99/year (1 device); multi-device packs available; discounts for renewals

Note: All lab scores above reflect AV-Test’s 6-point scale (with 6/6 equating to 100% efficacy) on Windows 11 home user tests. “Top Product” awards were earned by products scoring 17.5 or 18 points total across protection, performance, and usability. Performance impact notes incorporate AV-Comparatives’ 2024 Performance Test results and reviewer observations.

Now, let’s dive into detailed reviews of each top antivirus for Windows 11 in 2025, including their pros, cons, features, lab test results, pricing, and what makes each one stand out.

1. Bitdefender Total Security — Best Overall Protection

Bitdefender Total Security consistently ranks as one of the best overall antivirus solutions for Windows 11, thanks to its combination of stellar malware protection, rich features, and minimal system impact. In independent lab tests, Bitdefender achieves unbeatable detection rates – scoring a perfect 100% in AV-Test’s latest Protection, Performance, and Usability categories. TechRadar notes Bitdefender “has unrivaled scores in both industry trials and our own testing”, while Tom’s Guide praises it for being effective, easy to use, and light on resources.

Pros:

• Excellent malware detection: Near-perfect scores from multiple labs (AV-Test 6/6 in protection; AV-Comparatives Advanced+ in all major tests). Bitdefender’s engine reliably catches both known malware and zero-day threats in real time.
• Robust feature set: Includes a secure browser (SafePay) for online banking, multi-layer ransomware protection, anti-phishing filters, a firewall, and even a limited VPN (200MB/day) at no extra cost. It also bundles a password manager and file shredder for privacy.
• Low impact on performance: Very efficient scanning with little slowdown during everyday use. Bitdefender won AV-Comparatives’ bronze award in the 2024 Performance Test for its lightweight operation. Quick scans take just a few minutes, and even full scans are relatively fast (around 30 minutes for ~1.5M files in Tom’s testing).
• User-friendly & configurable: Clean, intuitive interface with a customizable dashboard for your most-used tools. It’s easy for non-experts, yet offers plenty of settings and modes (like profiles for work, gaming, or movies) for advanced users.

Cons:

• VPN and password manager limitations: The included VPN is capped at 200MB/day unless you pay for the premium version, and the Password Manager in some bundles might be a trial version. This means you may need separate subscriptions for unlimited VPN or full password management features.
• Occasional heavy scans: While light in day-to-day use, full system scans can be a bit slower than some competitors and may slightly tax older PCs. However, Bitdefender’s scans do learn your system over time to improve speeds.
• Price after first year: Bitdefender is very affordable initially (often around $40-$60 for the first year for 5 devices), but note that it renews at a higher rate (around $90-$110/year) if you don’t catch a promo. Nonetheless, the value given the suite’s breadth of protection is high.

Feature Highlights: Bitdefender Total Security is truly “total” protection. It covers up to 5 devices (Windows, Mac, Android, iOS) and packs extras like Safepay (a secured browser for online transactions), microphone and webcam protection to block spying, anti-fraud filtering for web emails, and Rescue Environment to remove rootkits. It also has performance optimization tools and a Wi-Fi security scanner to alert you of network vulnerabilities. This comprehensive approach earned Bitdefender multiple awards; for example, it won the AV-Test Best Protection 2024 Award (tied with a couple of others) and consistently ranks at or near the top in real-world protection tests.

Pricing: Bitdefender Total Security’s MSRP is around $89.99/year, but it’s usually discounted to ~$40-$60 for new users (covering 5 devices). It includes a 30-day free trial and a 30-day money-back guarantee. There’s also a free edition (Bitdefender Antivirus Free) with basic realtime protection for those on a budget, though it lacks most of the premium features. Given the suite’s capabilities, Bitdefender offers outstanding value, which is why it’s our top pick for overall Windows 11 security in 2025.

2. Norton 360 Deluxe — Best for Features and Families

Norton 360 Deluxe is a powerhouse suite known for its feature-rich protection and is particularly great for families or multi-device households. Norton has a long reputation in the security space, and it continues to earn perfect or near-perfect lab scores (AV-Test gives it 6/6 across the board). What sets Norton apart are the sheer number of extras it provides in one subscription – from identity theft monitoring to cloud backup – all within a single, easy-to-use dashboard.

Pros:

• All-in-one security suite: Norton 360 Deluxe bundles virtually every protection feature a home user might need. It has top-notch anti-malware and antivirus defenses, plus a firewall, webcam blocker, intrusion prevention, VPN, parental controls, password manager, and even 50 GB of cloud backup for your files. Few competitors match the breadth of Norton’s features in one package.
• Strong malware protection: Independent tests show Norton’s protection is excellent. It earned the AV-Test Top Product accolade with 100% protection scores in recent Windows 11 tests, and in hands-on evaluations it performs reliably against malware and phishing. It also features a Ransomware Rollback that can restore files encrypted by ransomware, a rare feature that adds extra peace of mind.
• Ideal for families & multiple devices: Deluxe covers up to 5 devices (including PCs, Macs, smartphones). The parental control tools are robust, allowing content filtering and screen time management across your kids’ devices. Identity protection services (LifeLock) can be added in higher tiers, which is useful for family members at risk of identity fraud.
• User-friendly interface: Norton’s interface is straightforward and well-organized, despite the wealth of features. PCWorld notes that it “consolidates all the biggest protections in one affordable package, centralizing and simplifying it all” for users who might be overwhelmed by security tasks. Important features are easy to find, and you’re guided to enable things like cloud backup or password manager during setup.

Cons:

• Not the lightest option: Norton’s impact on performance is generally low during casual use, especially if you aren’t constantly copying large files. However, on some systems Norton can still trigger a noticeable slowdown during heavy tasks (like big downloads or intensive scans). It’s more resource-intensive than minimalist antiviruses like ESET.
• Interface could be more integrated: While easy to use, Norton’s interface spans different modules that sometimes feel separate (password manager, VPN, etc., open in their own windows). PCWorld mentioned the UI “would benefit from consolidation” – a minor nitpick given everything included.
• Upselling and add-ons: Norton will occasionally prompt you about other services (like upgrading to include LifeLock identity protection, or buying Norton utilities). These pop-ups for add-ons can be annoying. Also, features like the VPN are included but require activation, and without LifeLock some identity-monitoring features in the interface are just teasers for an upgrade.
• Renewal pricing: Similar to Bitdefender, Norton’s first-year pricing is attractive (often ~$50 for 5 devices), but the renewal jumps to about $120/year. Make sure to watch for renewal notices or contact Norton for a loyalty discount, otherwise the cost doubles in year two.

Feature Highlights: The Secure VPN in Norton 360 Deluxe offers unlimited data for safe browsing (a big perk, as many competitors either charge extra or limit data). The Password Manager integrates across your browsers to store logins securely. Parental Controls (via Norton Family) let you monitor and limit your child’s online activity. Norton also has a Dark Web Monitoring feature that will alert you if your personal information (emails, passwords, etc.) is found in data breaches. Its firewall is highly configurable yet works well on default settings. In essence, Norton 360 Deluxe acts as a one-stop security suite that “works for everyone” by simplifying comprehensive protection into one app.

Pricing: Norton 360 Deluxe retails around $99/year, but is often discounted to ~$49.99 for the first year for new users. That covers 5 devices. There’s also a Norton 360 Premium (10 devices + more backup storage) and Norton 360 Standard (cheaper, 1 device). All plans typically include the same core features; just device count and cloud storage differ. Given the wide array of features, Norton Deluxe is a top value for families who will use its extras (VPN, parental control, backup). If you want every possible security feature in one bundle, Norton is hard to beat.

3. McAfee Total Protection (McAfee+ Premium) — Best for Multi-Device and Identity Protection

McAfee Total Protection – now evolving into the McAfee+ product line – has made a strong comeback in recent years as a well-rounded antivirus suite. It’s an excellent choice if you have many devices to protect or if you value integrated identity and privacy features. McAfee provides solid malware protection (certified 100% by AV-Test) and has dramatically improved its performance footprint – in fact, it earned the top spot (Gold) in AV-Comparatives’ performance test, indicating very low impact on system speed. TechRadar highlights McAfee as “perfect for those looking to protect their mobile device” and notes its unlimited device coverage as a key benefit.

Pros:

• Protect an unlimited number of devices: McAfee’s premium subscriptions (like McAfee+ Ultimate) allow unlimited devices under one plan, which is a huge advantage for large households with multiple PCs, laptops, phones, and tablets. Even the standard Total Protection often covers 5-10 devices at a competitive price, outpacing many rivals in volume licensing.
• Good malware and web protection: McAfee’s core antivirus engine is reliable, scoring high on independent tests (usually 99-100% detection). It also excels in web protection – blocking malicious URLs and phishing sites effectively. In AV-Comparatives’ Real-World Protection test series, McAfee consistently performed near the top with few false positives.
• Identity and privacy features: McAfee goes beyond antivirus with a strong identity protection component. Higher tiers include credit monitoring, identity theft coverage, and personal data cleanup services. Even in the base suite, you get a Secure VPN, a file shredder to permanently delete sensitive files, and a password manager. These tools help guard your privacy in addition to malware protection. PCWorld’s security editor noted that McAfee “addresses identity and privacy issues just as much as it does malware and phishing,” making it stand out.
• Low performance impact: Once known for being heavy, McAfee has optimized its software significantly. It received AV-Comparatives’ Gold award for performance in 2024, ranking as one of the lightest antivirus suites in terms of slowing down a PC. In user tests, background impact is hardly noticeable and even full scans have minimal disruption on modern systems (though mid-range or older PCs might still see some scan-related slowdowns).
• User-friendly with helpful extras: The interface is modern and easy to navigate, with a central dashboard. McAfee also includes useful extras like a home network scanner (to detect new devices on your Wi-Fi and check for vulnerabilities) and a secure VPN with unlimited data on premium plans. Their customer support is available 24/7 via phone or chat if you need assistance.

Cons:

• Mixed results on some advanced threats: While McAfee scores well generally, in some advanced attack simulations (like targeted attack tests or new ransomware scenarios) it may not always rank #1. Competitors like Bitdefender or Kaspersky occasionally edge it out on the very latest threats by a small margin. However, for typical home usage McAfee’s protection is more than robust enough.
• Can trigger false positives: McAfee is generally good about avoiding false alarms, but it’s not the absolute best in this area. (Kaspersky, for instance, had the fewest false positives in 2024 lab tests.) McAfee might sometimes flag an uncommon file or script as suspicious, requiring you to manually allow it. This isn’t frequent, but worth noting if you use a lot of niche programs.
• Renewal price and tiers confusion: McAfee’s pricing after the first year can increase substantially (the first-year deals for multi-device packages range ~$50-$80, but renewal could be double). Also, with the introduction of McAfee+ tiers (Premium, Advanced, Ultimate), the features can be a bit confusing. For example, basic Total Protection has lots of features, but identity monitoring and credit reports are only in higher McAfee+ tiers. Be sure to choose the plan with the features you need, and watch out for auto-renewal pricing.

Feature Highlights: McAfee’s latest suites include ID Theft Protection (monitoring your emails, SSN, bank accounts, etc., depending on plan), and some plans even offer reimbursement for identity theft events. The Secure VPN helps keep your browsing encrypted, especially useful on public Wi-Fi. McAfee’s firewall is smart and requires little configuration for most users. Another standout is the McAfee WebAdvisor browser extension, which warns of dangerous websites and downloads in real time. For families, McAfee’s Safe Family parental control system (in certain editions) can manage kids’ screen time and content. All these features integrate into a single console.

McAfee also provides a Protection Score metric in its interface, which guides you to improve your security (e.g., suggesting you enable the firewall or use the VPN). It gamifies staying secure, which can be helpful for non-techy users. Overall, McAfee Total Protection/McAfee+ is a comprehensive suite that’s especially good if you want identity and privacy tools alongside antivirus.

Pricing: McAfee often deeply discounts its first-year subscriptions. You might find McAfee Total Protection for around $40-$50 for 5 or 10 devices as an intro price. The McAfee+ Premium or Ultimate plans (with unlimited devices and full identity protection) can be ~$100 for the first year on sale. Renewals can go up to ~$130-$150/year for those top plans, so shop around each year (or contact support for a retention deal). Given that McAfee can cover all your household’s gadgets with one license, the value is great, and it’s our recommendation for users needing to protect many devices or wanting built-in identity safeguards.

4. Kaspersky Premium/Standard — Best Pure Protection (with Caveats)

Kaspersky has long been renowned for its industry-leading malware detection and remains one of the top performers in antivirus tests. In the latest AV-Test results for Windows 11, Kaspersky achieved perfect 6/6 scores in protection, performance, and usability, and it earned an AV-Comparatives Top Rated Product award for 2024 (Advanced+ in 6 out of 7 tests). In terms of pure protective ability, Kaspersky is among the best antivirus software you can get – often catching threats that others might miss and doing so with very few false positives (it had the lowest false alarm rate of all products in 2024).

Pros:

• Outstanding malware defense: Kaspersky’s core engine is extremely effective against all forms of malware – viruses, trojans, ransomware, spyware, etc. It frequently scores at or near 100% in independent real-world protection tests. AV-Comparatives reported Kaspersky blocked 99.9%+ of threats in their Real-World Protection tests, with almost no false detections. It also excelled in proactive tests against advanced threats, earning a Silver award in Advanced Threat Protection testing.
• Light on system resources: Kaspersky pairs great protection with a light footprint. It won the Silver award for performance in AV-Comparatives’ benchmarks (only McAfee was slightly better). In everyday use, Kaspersky runs quietly in the background. Scans are efficient, and the software is well-optimized not to slow down your PC, even on lower-end hardware.
• Feature-rich suites: The new Kaspersky product line (Free, Standard, Plus, Premium) offers a range of features. Even the base Kaspersky Standard (paid tier) includes web filtering, email protection, a VPN (limited in Standard), basic password manager, and a vulnerability scanner for outdated software. The higher Kaspersky Plus/Premium add more: unlimited VPN, full password manager, identity protection features, and cross-platform support. One standout feature in all paid versions is Safe Money – a secure browser mode for online banking/shopping that isolates transactions from malware or keyloggers. Kaspersky also has strong anti-phishing and spam filtering for emails.
• User interface and customization: The program sports a modern, tile-based interface that is easy for beginners (essential protections are one click away) yet offers deep settings for advanced users. You can tweak everything from scan sensitivity to firewall rules. Kaspersky also gives useful recommendations (e.g., if you plug in a USB drive, it offers to scan it). The software’s alerts are clear without being intrusive, and you can snooze notifications when gaming or watching movies (there’s a Gaming mode to suppress interruptions).

Cons:

• Geopolitical concerns: Kaspersky is a Russian-based company, and due to geopolitics, some users or organizations have concerns about using it. The U.S. and some other governments have advised against Kaspersky in certain contexts. This is not due to any known technical issue – in terms of software quality and security, Kaspersky is top-notch. But you should be aware of this backdrop; if it makes you uncomfortable, you might lean toward another product. Many home users worldwide still trust and use Kaspersky safely, but the decision is personal.
• VPN limitations in lower tiers: Kaspersky includes a VPN powered by Hotspot Shield, which is great, but in Standard and Plus plans the VPN usage is limited per day (e.g., 300MB/day). Only the Premium plan gives unlimited VPN. This is somewhat similar to Bitdefender’s approach. So if a no-limits VPN is important, factor in the cost of Premium or consider a standalone VPN.
• No longer sold at some retailers: Related to the first point, if you’re in North America or certain regions, you might not find Kaspersky readily available in app stores or major retail channels. You’d likely download it directly from Kaspersky’s website. Support is still offered, but the user community (forums, etc.) might be smaller in some locales since fewer people use it there now.
• Price for top tier: Kaspersky’s Premium suite (with full features and multi-device support) can be a bit pricey at full price, often around $100/year for a few devices (though discounts often bring it to ~$70). The Standard tier, however, is quite affordable (often ~$30-40 first year) and still gives you the excellent antivirus and core protections.

Feature Highlights: Aside from the high detection rates, Kaspersky offers thoughtful features. The Vulnerability Scanner will check your system for missing Windows updates or insecure settings. Safe Money opens banking sites in a protected browser with an on-screen keyboard to thwart keyloggers. There’s also a Privacy Browsing feature that can block tracking and a Webcam Protection that alerts you if a program tries to access your webcam (and lets you block all unwanted access easily). Kaspersky’s Parental Control (in Premium) is very solid, allowing content filtering, device usage scheduling, and GPS child location on mobile. Moreover, Kaspersky includes a Rescue Disk option – you can create a bootable USB/CD to clean an infected PC. These extensive features show how Kaspersky has a very mature, polished security suite.

Pricing: Kaspersky has rebranded its packages: Standard (basic suite), Plus (adds unlimited VPN and Password Manager), and Premium (adds identity protection services and parental controls). Approximate prices (often discounted by 40-50% for new users) are: Standard ~$59.99/year for 3 devices, Plus ~$79.99/year for 5 devices, Premium ~$99.99/year for 10 devices. Kaspersky Free (essential antivirus only) is completely free if you just want the core antivirus without extras. If you’re comfortable with the company’s background, Kaspersky offers arguably the best malware protection in the industry, making it a top choice for security purists who want maximum detection and are willing to use an overseas product.

5. ESET Internet Security — Best Lightweight Antivirus for Advanced Users

ESET Internet Security (known for its NOD32 engine) is an excellent choice for those who want a fast, lightweight antivirus that still provides strong protection and plenty of configuration options. ESET was crowned AV-Comparatives’ Product of the Year for 2024 after scoring Advanced+ in all tests throughout the year, reflecting its consistent high performance in malware detection, low false positives, and low impact. While it’s not as full of bonus features as some competitors, ESET focuses on doing the core job extremely well without slowing your PC, and offers an interface that can be simple for novices or richly detailed for power users.

Pros:

• Minimal system impact: ESET is known for being very efficient and fast. It had one of the lowest impacts on system performance in lab tests (Bronze in AV-Comparatives Performance 2024, just behind McAfee and Kaspersky). Whether you’re gaming, working, or just letting it run in the background, ESET is barely noticeable. Scans are quick and can run while you use the PC with little lag.
• Strong protection and no-nonsense approach: ESET’s detection rates are superb (100% protection score in the latest AV-Test round on Windows 11). It excels at stopping both widespread malware and zero-day threats, partly thanks to features like Advanced Memory Scanner and Exploit Blocker that target ransomware and script-based attacks. It may occasionally trail leaders by a fraction of a percent in some specific test, but overall ESET is considered very reliable. Importantly, it also tends to have very few false positives, meaning it rarely flags safe files as malicious (second only to Kaspersky in 2024 false-positive counts).
• Highly customizable: One hallmark of ESET is that you can tweak almost anything if you choose. There is an “Advanced Setup” menu where you can schedule scans, edit malware sensitivity, set up HIPS (Host Intrusion Prevention System) rules, adjust how aggressive ransomware protection is, etc. If you’re an IT enthusiast, this level of control is satisfying. At the same time, the default settings are secure out-of-the-box, so casual users don’t need to mess with these. TechRadar notes ESET is great if “you are looking to customize your antivirus protection”.
• Useful extra security tools: ESET Internet Security (the mid-tier suite) includes a Banking & Payment Protection feature – a secure browser that launches automatically when you visit banking sites, similar to Kaspersky’s Safe Money. It also offers Network protection features: for example, it can scan your home network and IoT devices for vulnerabilities, and there’s a Network Monitor to show what devices are connected. There’s even a basic parental control and anti-theft feature (helpful for laptops – you can track a stolen device or trigger a remote wipe). These extras are not as extensive as some suites, but they cover the essentials.

Cons:

• Fewer “bonus” features: ESET sticks to security essentials and doesn’t include some non-antivirus bells and whistles. For instance, there’s no VPN, no password manager, no file shredder, or identity theft insurance bundled. If you want those all-in-one utilities, a suite like Norton or Avira Prime might appeal more. ESET does one thing very well – protect against malware – and the additional tools it provides are mostly in service of that goal (secure browser, network scan, etc.), not so much general PC maintenance.
• Interface slightly dated in areas: While functional, ESET’s interface isn’t as flashy or modern-looking as some competitors. It’s a traditional UI with menus and toggles. Some users actually prefer this, but if you like slick, touch-friendly designs, ESET may feel a bit plain. The flip side is it’s straightforward and very informative – it shows detailed logs and stats if you want them.
• Paid only (no free version): ESET doesn’t offer a free tier for Windows (aside from the temporary trial). So if you’re on a zero-budget, ESET isn’t in the running (though one could pair ESET’s free online scanner with Defender, it’s not the same as a real-time AV). The licensing is also typically per device (e.g., 1 device, 3 device, etc.), unlike McAfee’s unlimited device approach or Defender’s free inclusion.

Feature Highlights: ESET’s Advanced Memory Scanner watches processes and can catch heavily encrypted malware that tries to evade detection. Its HIPS lets advanced users define rules to detect suspicious behavior. For example, you can make custom rules to flag if a process tries to modify another process in memory – powerful for those who know what they’re doing. ESET also has a neat feature where it can scan your computer during idle time (when you’re not using it) to avoid slowdowns. The Anti-Phishing in ESET is strong, protecting you from fake login pages. Another subtle feature: when you insert a USB drive, ESET will prompt to scan it (this helps stop autorun USB malware). ESET’s Anti-Theft (in the Smart Security Premium edition) allows you to locate a lost laptop, watch the thief via your webcam, or display a message on the screen – rare features for an antivirus suite.

Pricing: ESET Internet Security is around $59.99/year for 1 device, ~$79.99 for 3 devices (prices vary by region). The top-tier ESET Smart Security Premium (which adds a password manager and encryption tool) is about $10-$20 more. ESET often runs discounts, and they have an interesting model where renewals are often cheaper than new licenses (rewarding loyalty). They also sometimes offer multi-year deals (e.g., 2 years for a discounted rate). While it’s not the cheapest, many feel it’s worth it for the quality. If you want a lightweight yet powerful antivirus and don’t need a bunch of add-on utilities, ESET is a terrific choice – especially for tech-savvy users who will appreciate its advanced settings.

6. Avast One (and Avast Free Antivirus) — Best Free Option and Gamer-Friendly Features

Avast is a well-known name in antivirus, and Avast One is their all-in-one cross-platform security suite that builds on the success of Avast’s free antivirus. For Windows 11 users, Avast offers one of the best free antivirus solutions (Avast Free Antivirus) with robust protection, as well as the premium Avast One suite which adds a ton of features. In 2025, Avast remains a top pick, especially if you’re looking for a high-quality free antivirus or a low-impact solution for gaming.

Pros:

• Excellent free antivirus: Avast’s free version provides the same core antivirus engine as the paid one, which scores at the top of lab tests (it achieved 100% protection in recent AV-Test evaluations and earned AV-Comparatives Top-Rated awards). This makes Avast Free Antivirus arguably the best free AV for Windows 11 when balancing protection and usability. It includes real-time malware scanning, web & email shields, Wi-Fi security scanning, and even a password manager – all for free.
• High threat detection and web protection: Avast is very effective against malware, including zero-day threats. It also has strong web threat protection; it will block dangerous websites, phishing attempts, and malicious downloads in real time. In fact, Avast (and its sibling AVG) won the Gold award in AV-Comparatives’ Real-World Protection Test for 2024, demonstrating outstanding ability to block online threats.
• Great for gamers and performance: Avast One includes a Game Mode (Do Not Disturb Mode) that automatically detects full-screen apps/games and stops notifications or background scans from interrupting you. It also optimizes resource usage so as not to drop your FPS. Additionally, Avast is fairly light on system resources normally – PCWorld notes its “excellent performance” and that its default settings keep you protected with little input needed. This makes it a solid choice for gamers or anyone who wants protection without slowdowns.
• Useful extra features in Avast One: The premium Avast One suite (subscription) adds features like an unlimited VPN, data breach monitoring (notifying if your accounts/passwords are leaked online), advanced firewall, and system cleanup tools (junk file cleaning, driver updater, etc.). It also provides ransomware shield that protects specific folders from unauthorized changes, and a webcam protection feature. While some competitors have similar tools, Avast’s versions are well-implemented and centrally managed. The interface is friendly and straightforward, good for both novices and advanced users (with optional deeper settings). TechRadar picked Avast One as the best antivirus “for gamers,” highlighting that it “switches to gaming mode so you get performance and protection” seamlessly.

Cons:

• Free version upsells: Avast’s free antivirus, while very capable, will show you occasional prompts or ads for upgrading to Avast One or adding features (like their VPN or cleanup tool). This is a common trade-off with free software – the upselling isn’t constant, but you’ll see an offer here and there, which some might find irritating.
• Avast One paid pricing: The premium suite is a bit more expensive than some rivals that offer similar features. As PCWorld noted, “despite having fewer features, Avast One costs more” than a suite like Norton 360 Deluxe. For example, Avast One Individual (5 devices) can be around $99/year (though discounts often bring it down to ~$60-$70 first year). Given that it lacks things like a backup utility or parental controls, some might question the value versus Norton or Bitdefender at similar prices.
• Privacy history: It’s worth mentioning that in the past (2019-2020), Avast faced some criticism for data privacy due to its subsidiary Jumpshot, which collected anonymized browsing data. Avast shut down those practices and recommitted to user privacy. There’s no indication of current privacy issues, but historically this incident made some users cautious. That said, Avast today is transparent and you can opt out of data sharing in settings.
• No parental controls or cloud backup: If those features are important, note that Avast’s suite doesn’t include them, whereas some competitors do. Avast focuses on security, privacy, and performance tools, but not things like family monitoring or file backup.

Feature Highlights: In Avast’s software you’ll find handy tools such as Rescue Disk creation (to clean an infected PC via bootable media), Wi-Fi Inspector (scans your network for vulnerabilities or strangers), and Browser Cleanup (helps remove bad extensions). The Ransomware Shield is very useful to protect sensitive files – you can specify folders (like Documents, Pictures) that only trusted apps can modify, thwarting ransomware encryption. Avast’s VPN (when included in Avast One) is unlimited and reasonably fast, great for privacy and streaming geo-blocked content. Also, Avast/AVG are one of the few that still offer a free unlimited password manager as part of their bundle (Avast’s is basic but free).

One more thing: Avast and AVG share the same engine (Avast acquired AVG). So their detection capabilities are identical. The choice between them often comes down to interface and minor feature differences. Avast’s interface is a bit more polished, while AVG is very similar but with green accents instead of orange. If you use the free versions, note that Avast Free and AVG Free are both top-tier free AVs – you can’t go wrong with either.

Pricing: Avast Free Antivirus costs $0 and is ideal for basic protection. Avast One comes in Individual (5 devices) and Family (30 devices) plans. Approximate cost is ~$100/year for 5 devices, $150/year for 30 devices – but significant discounts (50% off or more) are common for new users, bringing it to roughly $50-$80 first year. If that price isn’t justified for you, using the free AV plus maybe adding a separate VPN might be a better combo. However, if you want an integrated solution with VPN and system tune-up, Avast One’s convenience is solid. Overall, Avast remains a top recommendation, particularly if you want a free antivirus for Windows 11 with excellent protection, or a gamer-friendly, no-fuss security suite.

7. AVG Internet Security — Best Budget Antivirus (with Top Free Option)

AVG is owned by Avast’s parent company and uses the same core antivirus engine as Avast, meaning its malware detection capability is equally superb. We list it separately because AVG has its own identity and merits: it’s often pitched as a budget-friendly antivirus suite and is known for a very clean, no-frills interface. AVG also offers one of the best free antiviruses (AVG AntiVirus Free), just like Avast. If you’re looking for a good deal on paid protection or simply a reliable free AV, AVG is a great choice.

Pros:

• Excellent protection (shared with Avast): Since the underlying scanning engine is identical to Avast’s, AVG scores 100% in AV-Test and consistently high in AV-Comparatives tests. In 2024, AVG received the same Top-Rated awards as Avast, including Gold in Real-World Protection and a Bronze in Advanced Threat Protection tests. You can trust that it will stop viruses, ransomware, and web threats on par with any top antivirus.
• User-friendly and lightweight: AVG’s interface is particularly straightforward and minimal. PCWorld describes it as a “clean, straightforward interface”. It’s not cluttered with too many options on the main screen, which can be appealing if you want something simple yet effective. Performance-wise, AVG is also very light in background; you likely won’t notice it running except during full scans. Even then, impact is moderate – “minimal impact on system resources when monitoring in the background” according to PCWorld’s tests.
• Great free version and value to upgrade: AVG’s free antivirus is robust, giving you basic malware and web protection, which is sufficient for many users. If you choose to upgrade to AVG Internet Security (paid), you unlock several useful extras at a reasonable price. These include an enhanced firewall, sensitive data shield (which prevents unauthorized apps from accessing your personal files), webcam protection, and file shredder. The suite also expands email protection to detect spam and phishing attempts. Notably, AVG Internet Security often goes on sale – e.g., about $60 for the first year covering 10 devices, which is a lot of devices for the money. This makes it one of the best bargains for a full security suite.
• Low annoyance factor: AVG, especially the paid version, doesn’t tend to nag the user. One complaint about some free antiviruses is frequent upgrade prompts – AVG Free will show some, but if you’re using AVG Internet Security (paid), it’s a quiet experience without ads. Also, AVG doesn’t install unwanted extras; it even lets you opt out of things like the AVG Secure Browser if you don’t want them, keeping things lean.

Cons:

• Shared platform with Avast: Because Avast and AVG are so similar under the hood, having both on this list might seem redundant. You wouldn’t run them together (never run two AVs in real-time). It’s more a matter of preference which UI you like. There’s essentially no detection advantage of one over the other, so it’s not necessary to consider both. We include AVG here for its distinct branding and some differences in features. For example, AVG’s Hacker Attack protection module emphasizes RDP/Remote Desktop protection (blocking unauthorized remote access to your PC), which is a big plus if you use Windows Remote Desktop – this is a feature highlighted in AVG’s suite.
• Lacks some extras of bigger suites: While AVG Internet Security covers the security basics well, it’s missing some ancillary features. There’s no VPN included (you’d have to buy AVG Secure VPN separately or get Avast One), no backup, no identity monitoring, no parental controls, etc. AVG does have a separate tune-up utility but that’s not in the AV suite by default. Essentially, it sticks to the core security features. If you want a more comprehensive package beyond antivirus, you might look at other products or consider the AVG Ultimate bundle which includes VPN and TuneUp (at additional cost).
• Performance hit on older machines: In normal use AVG is fine, but PCWorld did note that “full scans can hit budget or older systems harder”. So if you have an older PC with limited RAM/CPU, running a full disk scan with AVG might cause some slowdown. This is somewhat expected with any AV, but worth mentioning that AVG’s scans aren’t the absolute fastest around (though they’re thorough).

Feature Highlights: One interesting feature in AVG Internet Security is Enhanced Firewall – it replaces the built-in Windows Firewall and provides easier app control and packet rules for advanced users. It can automatically decide or ask you each time a new program wants network access. AVG also has Email Shield that works with email clients (Outlook, Thunderbird, etc.) to block malicious attachments or phishing emails. For web protection, AVG’s Web Shield will block dangerous downloads and sites, and its Fake Website Shield (in paid version) can prevent DNS hijacking (where malware redirects you to fake websites even if you entered the correct URL). If you do a lot of web banking/shopping, that’s a useful defense layer. The Ransomware Protection in AVG lets you designate folders that untrusted apps can’t modify, similar to Avast’s feature.

Because AVG and Avast come from the same company, data gathered from their huge user base helps improve their threat intelligence network (community IQ). This means if a new virus is detected on one machine in the world, Avast/AVG cloud can immunize all protected machines quickly. That community-based protection is a strength of having a large install base and is partly why their zero-day protection is so strong.

Pricing: AVG AntiVirus Free is, of course, free for life with no subscription required. AVG Internet Security (paid) is typically ~$79.99/year list price for 10 devices, but frequently discounted – for example, as of early 2025, AVG was offering $59.99 for the first year for 10 devices. They even ran promotions via PCWorld’s store as low as $10 for the first year in some cases, which is exceptionally cheap. Renewal prices go up to ~$99/year for 10 devices, which is still reasonable per device. There’s also AVG Ultimate, which packages Internet Security with AVG’s VPN and TuneUp utility, usually around $100/year when discounted. Overall, if you want premium protection but at a budget price, AVG is a top contender – you get premium-level security (thanks to the Avast engine) without a premium cost.

8. Avira Prime (Avira Free Antivirus) — Best for User-Friendliness and Extra Utilities

Avira is another veteran in the antivirus field, known for its lightweight scanner and useful PC optimization tools. Avira Free Antivirus has been a popular free choice for years, and Avira’s premium suite (Avira Prime) combines security with a plethora of extra features. Avira stands out for its friendly interface (suitable for beginners) and an array of performance and privacy utilities bundled in, making it a great all-in-one choice for those who want more than just antivirus from their security software.

Pros:

• Perfect or near-perfect lab scores: Avira’s malware engine is excellent. It scored a full 6/6 for protection in AV-Test’s recent evaluations and often does very well in AV-Comparatives Real World and Malware Protection tests (it even got a Gold award in one of the Real-World Protection tests in 2024). Avira’s cloud-based detection helps it catch new threats quickly. The free version uses that same engine, so you’re getting top-notch protection at no cost (with some feature limitations).
• Very easy to use: Avira has one of the simplest interfaces. It’s clean, modern, and not overwhelming. SoftwareLab and others often commend Avira’s UI for being clear and user-friendly, ideal for those not tech-savvy. You can navigate between Security, Privacy, and Performance sections in the software to access different tools. It also includes helpful explanations for features and has a one-click “smart scan” that checks for malware, outdated apps, weak passwords, and more in one go, which is great for casual users to improve their overall security posture.
• Loads of extra features in Prime: If you get Avira Prime (the top-tier suite), you’re getting an entire toolkit: Unlimited VPN (Avira Phantom VPN), a Password Manager, System Speedup optimizer, software and driver updater, junk file cleaner, duplicate file finder, privacy settings tuner, and more – on top of the antivirus and firewall. Avira basically bundles what many standalone utility programs do. For example, its System Speedup can free up disk space and improve boot times, and its Software Updater helps keep common programs patched (important for security). This can be very attractive if you like the idea of a single app handling security and PC maintenance tasks.
• No noticeable performance drag: Avira is lightweight in terms of real-time protection. It’s designed to have minimal impact on system speed, and most users find they can run it without any slowdowns. Even the extra features (like system cleanup) only run when you invoke them, so they don’t hog resources in the background. AV-Test usually gives Avira high marks in the Performance category too. One thing to note: during a full system scan or when the optimizer is cleaning, you might see a little resource usage spike, but it’s generally quick and not problematic on modern systems.

Cons:

• Free version lacks real-time web protection: Avira’s free edition will detect and remove malware, but it doesn’t include the Web Protection module that actively blocks malicious URLs or phishing sites – that’s reserved for paid users. (However, Avira does offer a free Browser Safety extension that can cover some of that gap in browsers.) Also, the free version will show ads for Avira’s other products/features fairly regularly. So, while Avira Free is great for basic antivirus needs, you’ll miss out on important preventative protection online unless you upgrade.
• Some features feel basic or separate: Because Avira Prime packs so many tools, not all are as advanced as dedicated standalone apps. For instance, the VPN is solid for casual use but lacks the advanced options of top standalone VPNs. The password manager is convenient but is actually a separate browser plugin that you manage mostly via a web interface. The multitude of features can sometimes feel a bit disjointed (each tool may open its own window). It’s a trade-off for the breadth of functionality – “not every utility is a winner, but the overall set can help you” as PCWorld put it. If you only care about pure antivirus, some of these extras might even be overkill.
• No multi-device lower tier: Avira’s premium offerings are structured such that the full set of features (Prime) covers 5 devices minimum. There isn’t a cheaper single-device full suite – Avira Prime is 5 devices by default. If you only have 1 PC, you might feel you’re paying for more device coverage than you need (though you could secure your phone and other gadgets with it too). Avira does sell Antivirus Pro (basic paid AV) and Internet Security (AV + software updater + password manager) for single devices at lower cost, but those don’t include the VPN or all the tune-up tools. Essentially, the best value is in Prime, but it’s for up to 5 devices, which is something to consider.
• Can be chatty with notifications: Avira sometimes pops up notifications not just for upgrades, but also for things like “we cleaned X junk files” or “your PC can run faster – click here”. These are meant to be helpful or to prompt you to use its tools, but some users might find it a bit nagging. You can turn off some notifications in settings.

Feature Highlights: A distinctive feature Avira has is the Privacy Pal, which helps you adjust 200+ privacy settings in Windows and programs to minimize data collection (like toggling off telemetry, ad IDs, etc.). Avira’s Software Updater as mentioned keeps apps like browsers, Java, Zoom, etc., up to date – important since outdated apps can be exploited by malware. Another great extra is Driver Updater, which checks for new hardware drivers; keeping drivers updated can improve security and stability. For security, Avira includes a secure shopping/browser extension that blocks trackers and malicious ads. The Avira Password Manager can generate and autosave strong passwords and alerts if your accounts are in a breach (similar to LastPass or 1Password functionality, but simpler).

Pricing: Avira Free is free (with ads for upgrades). Avira Prime is the all-inclusive package – roughly $99.99/year retail, but discounted often (e.g., around $59.99/year on sale). That covers 5 devices (and those can be Windows, Mac, Android, or iOS). Given that it bundles a VPN and other paid-quality tools, Prime’s price is actually quite competitive if you will use those extras; you might otherwise spend more subscribing to a VPN, cleaner, etc. Avira Internet Security Suite (mid-tier, no VPN or speedup) is cheaper (~$45/year typically for 1 device). Avira’s generous device allowances and utilities make it a great value for households or users who want an all-in-one digital security and performance suite.

9. Malwarebytes Premium — Best Malware Removal and Second-Line Defense

Malwarebytes has a unique position in the antivirus world. It started as a specialty anti-malware tool focused on removing stubborn infections and complementing traditional antiviruses. Malwarebytes Premium is now a full antivirus replacement with real-time protection, but it still shines brightest as a companion or secondary scanner due to its exceptional ability to catch threats that others might miss (especially adware, spyware, and PUPs). It’s often recommended to install Malwarebytes alongside another antivirus for layered security. In fact, PCMag awarded Malwarebytes “Best Malware Removal” and “Best Protection” in 2025 for its strong showing in cleaning up infections.

Pros:

• Top-tier malware and spyware removal: If your PC is already infected or acting suspiciously, Malwarebytes is one of the first tools experts turn to. It has a proven track record of digging out entrenched malware, rogue programs, and browser hijackers. PCMag’s hands-on tests praised Malwarebytes for remedying malware that some traditional AVs missed, noting even the free version is great for post-infection cleanup. CNET also named it the “Best Malware Removal Service 2025”. This is a huge pro – Malwarebytes can serve as a safety net if another antivirus ever slips up.
• Lightweight and fast scanning: Malwarebytes is engineered to be very lightweight. It doesn’t include a ton of extraneous features, which keeps it nimble. Users often report that even the real-time protection in Premium has negligible impact on system performance. Tom’s Guide highlights that it “runs light and fast… without a lot of fuss”. Quick scans can finish in a few minutes, and even full scans are relatively quick because Malwarebytes uses anomaly detection and targeted scanning of likely areas (rather than brute-force scanning every file unless you ask it to).
• Great complement to Windows Defender or others: Malwarebytes Free (on-demand scanner) can be run alongside another antivirus without conflict since it’s only manual scan. Many people use Microsoft Defender as primary and Malwarebytes Free for monthly secondary scans. If you get Malwarebytes Premium, it can replace an antivirus entirely, or you can configure it to run alongside another AV (Malwarebytes has a mode that limits conflicts by disabling certain components if it detects another antivirus). It plays nicely with others and can add an extra layer of security, catching things like PUPs (Potentially Unwanted Programs), adware, etc., that some AVs tend to ignore.
• Simple, user-friendly interface: Malwarebytes is straightforward. The interface has a big “Scan” button and not much else to confuse a user. It doesn’t bombard you with technical data – it just finds and eliminates threats. The simplicity is refreshing, and it’s one reason many less technical users like it: there aren’t a lot of settings to tweak (though advanced options do exist if you want to schedule scans, exclude files, etc.). It’s basically install and forget until something bad happens, then it pops up to deal with it.

Cons:

• Lacks some traditional suite features: Malwarebytes Premium focuses on malware protection and a few related areas. It does include web protection (malicious site blocking) and anti-ransomware behavior monitoring, but it does not have a firewall, device tuning tools, backup, password manager, or other bells and whistles. It’s a lean security app. If you only install Malwarebytes, you might want to also ensure your Windows Firewall is on (or have a separate firewall). That said, Windows’ built-in firewall is fine for most, and Malwarebytes is augmenting Defender in many cases.
• Free version is not real-time: Important to note, Malwarebytes Free is only an on-demand scanner. It does not actively stop threats in real time – it’s meant for cleanup after the fact. To get proactive protection (which blocks malware, ransomware, and malicious sites live), you need Malwarebytes Premium. Therefore, the free version is not sufficient as a sole AV solution (it’s more of a remediation tool). Premium is a paid annual subscription, so some may balk at paying for it if they only want it as a secondary defense. However, many find it worthwhile for the added peace of mind and convenience of real-time blocking.
• Detection scope vs traditional AVs: Malwarebytes is superb at what it targets (malware, spyware, PUPs, etc.), but it historically did not focus on things like script exploits, macros, and other niche attack vectors as deeply as some AV engines. In recent years it has improved a lot and now has signatures and heuristics similar to other AVs. Still, its forte is behavior-based detection and cleanup, rather than huge cloud databases of every single virus signature. Using it alongside another AV (or Defender) covers all bases. If used alone, it’s generally effective, but occasionally a very new trojan or virus might slip by until Malwarebytes identifies it by behavior or an update. In independent tests, Malwarebytes Premium’s detection rates are good but sometimes a notch below big players that have multiple scanning engines. This is why we often say Malwarebytes is best as a dual-layer unless you’re confident in its approach.
• No multi-device bundles: Malwarebytes licensing is usually per device (or small packs like 3 devices). They don’t offer an “unlimited devices” home plan like McAfee or others. If you have many devices, it might get expensive to cover them all with Malwarebytes Premium. It’s also primarily Windows-focused (though they do have Mac and mobile versions).

Feature Highlights: Apart from scanning and removing malware, Malwarebytes Premium includes Exploit Protection – this specifically watches for suspicious behavior in applications (like code injection, hollowing, etc.) and can stop exploits (e.g., a hack via your browser or Office software) before malware even drops. It also has Ransomware Protection, which uses behavior monitoring to detect the telltale signs of ransomware (like rapid bulk file modifications) and halt the process. The Malicious Website Protection will block known bad domains and IP addresses, which can prevent you from even landing on a phishing page or stop a malware from calling out to download more payloads. Another plus: Malwarebytes tends to update its definitions and program very frequently (multiple times a day for defs), reflecting new threat intelligence rapidly.

Malwarebytes also offers a Browser Guard extension (free) for Chrome/Firefox/Edge that can block ads, trackers, scams, and potentially unwanted content – providing an extra layer of browser security even on the free tier.

Pricing: Malwarebytes Premium for 1 device is around $39.99/year, and for 3 devices around $79.99/year (often discounted – for example, currently ~ $67.48 for 2 years for 3 devices on some promotions). They also have a newer bundle called Malwarebytes Premium + Privacy VPN that includes a VPN service, priced higher (~$99/year range). If you only want Malwarebytes as a backup scanner, you can use the free version and just manually scan periodically (cost = $0). For real-time use, a common strategy is to use Malwarebytes Premium alongside Windows Defender – this combo gives you layered protection (and Malwarebytes is designed to coexist with Defender). Given that PCMag and CNET have lauded Malwarebytes in 2025, it’s a worthy addition to our list – especially for those who want the best removal tool or an easy extra shield against infections.

10. Microsoft Defender (Windows Security) — Best Built-In Protection (Good Enough for Basics)

Lastly, we must talk about Microsoft Defender, which is the antivirus that comes free with Windows 11 (formerly known as Windows Defender or Windows Security). In 2025, Defender has matured into a very capable antivirus solution, offering a solid baseline of protection for no additional cost. In fact, Windows Defender often scores 100% in AV-Test evaluations itself, putting it on par with many third-party AV engines in terms of raw detection. It’s deeply integrated into Windows 11, meaning it’s optimized for performance and works out-of-the-box.

Pros:

• Free and already on your PC: The biggest advantage is that you don’t need to download or pay for anything – Defender is built into Windows 10/11 and enabled by default. For many home users with good browsing habits, Defender provides sufficient protection without any configuration. It updates automatically via Windows Update and has cloud-based threat intelligence from Microsoft’s vast telemetry.
• High malware detection scores: Microsoft Defender’s capabilities have improved dramatically over the years. It now routinely gets perfect or near-perfect scores in lab tests. For instance, AV-Test gives it 6/6 in protection and usability (with very few false positives). AV-Comparatives in 2024 showed Defender blocked 99.5%+ of threats in their tests (though it sometimes has a slightly higher false positive rate than some). This means Defender can genuinely hold its own against traditional antiviruses for known malware and even many zero-days.
• Seamless integration and low overhead: Defender is part of Windows, so it’s optimized to run smoothly on the OS. It usually has a small performance impact – in fact, Tom’s Guide notes it “provides a solid base layer of security” and is designed to be compatible with the OS without issues. There are no annoying ads or upsells; it just runs quietly in the background, updating through the normal Windows update mechanism. The Windows Security app provides a simple interface to check protection status, run scans, or adjust settings. Also, when Defender is active, it uses Microsoft’s SmartScreen filter and cloud lookup to block malicious downloads and phishing, integrated at the OS level.
• Basic extra features included: Defender is more than just antivirus. It includes a firewall (Windows Firewall), which is quite powerful, a Device Security section that uses hardware features like Secure Boot and memory integrity (if enabled) to protect against low-level attacks, and Family Options that link to parental control settings for Windows accounts. It also has ransomware protection with Controlled Folder Access (you can toggle this on to protect certain folders from unauthorized changes). And since it’s from Microsoft, you get full compatibility – for example, it won’t randomly conflict with a Windows update, and it’s one of the first to know about new Windows exploits to guard against.

Cons:

• Lacks the advanced features of suites: While Defender covers the basics well, it doesn’t offer the extras that many third-party suites do. There’s no built-in VPN, password manager, system optimizer, file shredder, identity monitoring, etc. (Though Microsoft does offer some of these separately or via Microsoft 365 subscriptions – e.g., there’s a rudimentary password manager in Edge synced with your Microsoft account, and parental controls via Microsoft Family Safety). If you want those bells and whistles, Defender alone won’t provide them.
• Occasional performance hits: Defender has improved in performance, but some users still report that full scans can be slow, and in a few independent tests, Defender’s background impact on things like application install times or file copy speeds was higher than some optimized third-party AVs. It’s usually fine, but on very low-end PCs or during intensive disk operations, you might notice Defender doing work. There have been instances where its scans cause heavy CPU usage (though you can schedule scans for off-hours). Third-party AVs like ESET or Bitdefender sometimes outrank Defender in performance impact metrics.
• False positives and responsiveness: Defender sometimes is a bit aggressive in flagging unknown files. Its false positive rate, while not bad, has historically been slightly higher than leaders like Kaspersky or ESET. Additionally, when a new threat emerges, some dedicated security companies might push out a detection faster than Microsoft if it’s not widespread. Microsoft prioritizes prevalent threats via cloud protection, but for very targeted or rare malware, Defender might lag a bit in adding definitions. In practice this isn’t a major issue for most users, but security enthusiasts note it.
• User interface is sparse: The Windows Security interface is clean but relatively sparse. This is fine for most people, but advanced users might miss granular controls. For example, scheduling a scan or creating a custom scan exclusion is a bit buried (and some features like Controlled Folder Access, while powerful, are off by default and not obvious to average users). There’s also not a lot of feedback during scans or visual appeal compared to flashy suite UIs.

When Defender is “enough”: If you practice safe computing – keep Windows updated, don’t download random files or click strange links, and just need basic malware defense – Microsoft Defender is usually enough on its own. Microsoft’s own documentation and security blogs even emphasize that Defender is on par with third-party AV for typical needs. It’s a baseline we recommend everyone keep on, even if adding another antivirus (Windows will disable Defender’s real-time scanning automatically if a third-party AV is installed, but still use things like SmartScreen).

One nice aspect: no bloat. Defender doesn’t install browser toolbars or extra nonsense. It’s just part of Windows.

Tips to enhance Defender: Turn on Controlled Folder Access in Ransomware Protection settings (this can prevent unauthorized apps from altering your important files, adding extra ransomware safety). Use the Microsoft Edge browser or install the Microsoft Defender Browser Protection extension on Chrome/Firefox for improved anti-phishing. And regularly check Windows Security to ensure all green ticks (if something is off, it will alert you).

Pricing: Completely Free. It comes with Windows 10 and 11. There’s no premium version of Defender that costs money (aside from enterprise business features that don’t apply to home). Considering the cost, the protection it offers is actually fantastic. Our recommendation: if you choose not to pay for any antivirus, at least keep Defender enabled rather than running an unprotected system. It’s one of the best free defenses you can have, and you can bolster it with periodic scans from free Malwarebytes or similar for a bit of extra reassurance.

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Conclusion: Choosing the Right Antivirus for Your Needs

In 2025, Windows 11 users have a wealth of excellent antivirus options – from comprehensive premium suites to top-rated free tools. For most home users, our top recommendation is to go with a well-rounded suite like Bitdefender Total Security (best overall protection and value) or Norton 360 Deluxe (best feature set for families), as these offer complete security with minimal drawbacks. Both combine perfect malware detection, smooth performance, and useful extras like VPNs and password managers at a reasonable cost.

If you’re on a tight budget or prefer not to pay yearly fees, you can still stay safe by using Microsoft Defender (built-in and strong) alongside a reputable free antivirus like Avast Free or AVG Free for an extra layer – these free solutions scored as high as paid ones in protection tests. Adding Malwarebytes Free as an on-demand scanner is another savvy move, since it’s superb at catching PUPs and cleaning infections that slip past.

For those wanting specific strengths:

• Best for multiple devices/large families: McAfee+ Premium/Ultimate – its unlimited device coverage and identity protection make it ideal if you have many PCs, phones, and tablets to secure.
• Best for pure performance (lightweight): ESET Internet Security, given its tiny system impact and Product of the Year accolades, is perfect for gamers or anyone sensitive to slowdowns.
• Best for free protection: Avast or AVG Free are hard to beat for cost-free security with top detection, though pairing them with Defender (or upgrading to their paid suites for full features) is wise for web protection.
• Best for extra features and PC tune-up: Avira Prime stands out, packing a VPN and many utilities – great if you want an all-in-one digital life security solution in one subscription.
• Best secondary scanner: Malwarebytes remains king in this realm – even if you use something else as primary, having Malwarebytes in your toolkit (free or premium) can be a lifesaver for removing stubborn malware.

Finally, remember that no antivirus is 100% foolproof. Good security habits – keeping software updated, using strong passwords (and a manager), being cautious with email links and downloads, and backing up important data – are just as crucial. A quality antivirus will significantly reduce your risk and give you peace of mind while using your Windows 11 PC.

By considering the information above and the lab scores and features of each product, you can confidently choose the antivirus software that best fits your needs and budget. Here’s to a safe and secure 2025 for your Windows 11 computer!s?