The Best Antivirus Software in 2026

Antivirus has changed. Windows ships with Defender, which now holds its own in independent testing, so the question is no longer "free or unprotected" but "is a paid suite's bundle worth it for me?" This guide covers the paid suites worth paying for and where free Defender is all you need.

How do these compare on price?

Antivirus pricing is promotional — the first-year price is steeply discounted and renews much higher. These are first-year US rates, Bitdefender/Norton/Malwarebytes as of June 2026 and Webroot verified on webroot.com as of 2026-07-28; confirm the renewal before subscribing.

Our top picks

Bitdefender — Best Overall

Bitdefender is the pick for most people who want paid protection. It consistently lands at or near the top of independent lab tests for malware detection, and it does so without bogging down your machine — its scanning is notably light on system resources. Even mid-tier plans bundle useful extras like a firewall, a limited VPN, and multi-device, multi-platform coverage. It is the cleanest balance of protection, features, and price.

Norton 360 — Best All-in-One Bundle

Norton 360 is the pick if you would rather buy one subscription that covers everything. Beyond strong antivirus, it bundles an unlimited VPN, a password manager, cloud backup, and dark-web monitoring — the kind of suite that can replace two or three separate subscriptions. If you were already eyeing a VPN and a password manager, Norton's all-in-one math can work out cheaper than buying each separately.

Malwarebytes — Best for Simplicity

Malwarebytes does one thing and does it well: catch and remove malware, ransomware, and phishing without a cluttered interface. It earns high marks in independent testing and is the tool many people reach for to clean an already-infected machine. There is no sprawling suite of add-ons — just focused protection — and a generous 60-day money-back guarantee.

Webroot — Budget Pick

Webroot's whole pitch is speed and size: its scanner is famously tiny because the heavy lifting runs in the cloud rather than as a huge local signature database, so installs and scans are fast and it barely touches your system. Entry pricing is also the cheapest on this page — Essentials for one device runs $37.49 for the first year (discounted from $49.99), verified on webroot.com as of 2026-07-28.

The honest caveat: we could not find a current independent lab score to back it up. Webroot's Windows home-user product has not appeared in a recent public AV-TEST report — its last listed AV-TEST result is from June 2019 (Protection 2/6, Performance 5.5/6, Usability 4/6, on Webroot SecureAnywhere 9.0), and Webroot did not appear in AV-Comparatives' 2025 Summary Report award list either. That doesn't mean Webroot fails at detection — a lot has changed since 2019 — it means there's no recent third-party number to point to, which matters if lab-verified protection is a priority for you.

Microsoft Defender — Best Free Option

The quiet winner for a lot of people. Defender is built into Windows at no cost, runs without setup, and now posts protection scores in independent testing that rival paid products. It lacks the bundled VPN, password manager, and identity tools of a paid suite, and its cross-platform story is weaker, but for a careful Windows user it is a genuinely sufficient baseline. Do not pay for antivirus out of habit — pay for the extras.

How we evaluated antivirus

We weighed four things that matter:

Protection. Independent lab results (detection rates for malware, ransomware, and phishing) are the foundation. The leaders are now closely matched here: AV-TEST's June 2026 Windows 11 report scored both Bitdefender Total Security 27.0 and Norton 360 26.4/26.5 a perfect 6/6/6 (Protection/Performance/Usability) with the "Top Product" award, and Malwarebytes Premium 5.5 took AV-TEST's "Top Product" award in its April 2026 cycle at 5.5/6/6. AV-Comparatives' 2025 Summary Report named both Bitdefender and Norton Top-Rated Products, with Bitdefender taking Gold/Silver/Bronze across several categories and Norton earning Gold in Real-World Protection; Malwarebytes earned two Advanced awards and one Standard award plus Approved Windows Security Product certification. Webroot is the exception — it hasn't appeared in a recent public AV-TEST or AV-Comparatives consumer report (AV-TEST's most recent Webroot listing is from June 2019), so we can't cite a current lab score for it.

System impact. Good antivirus protects without slowing your machine. We favor lightweight scanners.

Bundle value. Extras like a VPN, password manager, or identity monitoring can justify the price — but only if you would actually use them.

Pricing honesty. Antivirus leans on steep first-year discounts that renew much higher. We focus on what you pay in year two.

Which antivirus should you pick?

For most people who want paid protection, Bitdefender is the best balance of detection, speed, and price.

If you want one subscription to cover antivirus, VPN, and a password manager together, Norton 360 is the most complete bundle.

If you just want focused, no-fuss malware protection, Malwarebytes is the simplest pick.

If you want the lowest price and the smallest footprint, and you're comfortable without a recent independent lab score, Webroot is the budget/secondary pick.

And if budget is the priority and you'd rather pay nothing, Microsoft Defender is free and good enough for a careful Windows user. Pair it with a password manager and a VPN bought separately and you have strong coverage for less.

Frequently asked questions

Browse the rest of our security picks, compare the best password managers, or see how these services score on cancellation and price stability in the Experience Index.