Microsoft Defender isn't enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

Free antivirus apps can protect your PC from common threats—but paid software often adds stronger defenses, extra tools, and peace of mind. I'm here to walk you through the differences. When the IBM ...

All the antivirus apps here were installed on a Windows 11 PC updated to the latest version and with all security patches ...

Best Antivirus Best Free Antivirus in 2026: What You Get (and What You Don’t) Free antivirus software in 2026: compare Avast One, Bitdefender, AVG, and Malwarebytes. Discover what free protection ...

Malware can cripple a computer, steal personal data, and compromise security, yet protection doesn't always require paid software. By combining built-in tools, safe browsing habits, and free antivirus ...

Do you still need third-party antivirus on your Windows PC?

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...

Best Antivirus Best Antivirus Software That Won’t Slow Down Your Computer Discover the best antivirus programs for computers that keep you protected without slowing you down. Table of Contents Laptops ...

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Fortunately, as online threats become ever more sophisticated, so do Internet users' means of defense. As a PR Newswire press release put it in February 2026, "according to industry consultancy firm ...