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.

Best Antivirus Best Free Antivirus for Windows 10 in 2026: Top Free Protection Options Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing ...

Looking for the best antivirus for Windows 11? Check out our top picks to protect your device as well as your system and ...

Best Antivirus Best Antivirus Software for Windows PCs in 2026 Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, ...

Antivirus software is simply essential, but if you've upgraded to Windows 11, the built-in security suite might be good enough on its own. Microsoft Defender Antivirus is included for free as part of ...

Most popular operating systems come with robust antivirus software built in: Microsoft Defender on Windows and XProtect on MacOS. However, a third-party antivirus solution can provide additional ...

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 ...

Microsoft Defender has gone from a placeholder to something you can reasonably trust. For a lot of people, Defender is good enough. But that’s the part that people may miss. “Good enough” depends on ...

Microsoft officially states that Windows 11’s built-in Defender antivirus provides sufficient protection for most users without needing additional security software. PCWorld reports that running ...