Best Antivirus Software in 2026: 9 Tools Compared

Microsoft Defender is the default pick for many Windows users, and for good reason. It is built into Windows 10 and 11, costs nothing extra, updates through Windows Update and scores well in independent lab tests, matching or beating many paid products on malware detection in recent public results. If you use one PC, install software only from trusted sources and keep backups, Defender may be all you need.

The limits are extras, not core protection. Defender does not include a VPN, a password manager, identity theft monitoring, parental controls or a central dashboard for phones and other devices. If you want those tools in one subscription, a paid suite is the next step, but do not pay for a suite solely because you think built-in protection is weak, since current lab results do not support that view.

Bitdefender is the reference point for paid antivirus in many comparisons. It blocks a high share of attacks in independent lab tests, scores well for performance and usability, and is often described as light on system resources, which matters on an older home computer. Total Security covers five devices on many plans, with antivirus, firewall, parental controls and a password manager in the suite.

The bundled VPN is capped at 200 MB per day per device in many listings, so it is not a full VPN replacement, and the first-year price rises at renewal, a pattern common to paid suites. There is a limited free edition if you want the core engine without the suite. For a home user who wants to pay once and stop thinking about security, Bitdefender is the safest paid recommendation here.

Norton 360 Deluxe is the most complete suite in this list. It combines antivirus with an uncapped VPN in many plans, a firewall, 50 GB of cloud backup, a password manager, parental controls and dark web monitoring, and it covers five devices on the Deluxe plan in many listings. Public reviews also note fast scanning and a virus removal promise in some plans, where a technician helps clean an infection.

That completeness comes at a renewal cost. First-year prices near $49.99 are widely listed, with renewal near $124.99 for Deluxe, so the second year costs far more than the first. The suite can also feel busy, with many features competing for attention. If your family will use the VPN, backup and parental controls, Norton earns its price, but check the renewal rate before you buy.

McAfee+ suits a household that has lost count of its devices. Many plans cover unlimited devices, which removes the usual limit of five or ten, and its mobile apps are strong in public reviews, with identity monitoring, VPN and safe browsing tools. For a family with phones, tablets, laptops and a desktop, that unlimited model simplifies buying.

The first-year price, widely listed near $39.99 to $49.99 depending on plan, rises at renewal, so set a reminder before it applies. The app can also promote extra services, which some users find pushy. If device count is your main problem, McAfee+ solves it directly, but compare its renewal total with Bitdefender for five devices before deciding.

Avast One has the strongest free tier among paid brands here. The free version uses the same core real-time engine as the paid version in many listings, with basic protection, a firewall and network checks, while paid plans add VPN, cleanup tools and more devices. Its modular design lets you switch on only the extras you want, which suits gamers and users who dislike a busy suite.

The free version promotes paid upgrades, and paid first-year prices near $49.99 rise at renewal in many listings. Privacy history also deserves a note, since Avast faced scrutiny in past years over data practices, though its current policies state clearer limits. If you want free protection from a major brand, Avast One is the best starting point, with Defender as the built-in alternative.

Malwarebytes is best known for cleaning up infections rather than bundling every extra. Its free version scans on demand and removes malware, while the paid version adds real-time protection, web protection and ransomware layers. The interface is simple, with few menus and clear scan results, which suits users who find full suites overwhelming.

It is not a full security suite. There is no VPN, password manager or parental control set in the core plan, and paid pricing is per device in many listings, with Standard listed near $44.99 per year for one device in recent comparisons. Use Malwarebytes as a second-opinion scanner alongside Defender, or as a simple paid protector for one PC, rather than as a family suite.

ESET suits users who want protection that stays out of the way. Its engine is known for light system impact, which helps gamers and owners of older PCs, and its lab scores for detection are strong in public results. HOME Security plans cover antivirus, firewall, web protection and, in higher tiers, a password manager and safe banking tools.

The interface feels more technical than Norton or Avast, with settings that assume some knowledge, and bundled extras are fewer than in the biggest suites. ESET Essential is listed near $59.99 per year for three devices in recent comparisons, so check the current vendor price for your device count. If performance matters more than extras, ESET is a strong, quiet choice.

Trend Micro Maximum Security is built for beginners who want protection without study. Its interface is clear, its web protection blocks malicious sites and phishing pages, and its ransomware tools protect folders from unauthorised encryption. Maximum Security covers five devices in many listings, with a password manager and parental controls in higher tiers.

Advanced users will find fewer settings than in ESET or Bitdefender, and some extras, like VPN, are paid add-ons rather than included. Maximum Security is listed near $74.95 per year for five devices in recent comparisons, so check the vendor site for current first-year offers. If simplicity and web protection lead your choice, Trend Micro is a fair, beginner-friendly pick.

AVG Internet Security is a practical choice for a large household on a budget. Its free antivirus covers basic protection, while the paid Internet Security plan covers up to ten devices in many listings, which brings the cost per device down to about $6 per year on a first-year price near $59.99. That maths makes AVG attractive when Bitdefender or Norton five-device plans would leave devices uncovered.

AVG is owned by the same group as Avast, so its engine and features overlap with Avast One, and the choice between them often comes down to interface and current price. Renewal, listed near $99.99 for ten devices in recent comparisons, is higher than the first year, so check that figure. If device count and cost per device matter most, AVG is worth a quote alongside McAfee+.