Microsoft Defender isn't bad, but it's not 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.

Microsoft’s free built-in security software for Windows PCs, Defender Antivirus, provides excellent anti-malware protection for Windows PCs. However, it lacks some extras found in third-party products ...

It’s no secret that the sophistication and frequency of cyberattacks have been growing steadily for the last few years, in part due to AI opening the doors to even low-skilled threat actors to launch ...

On October 14, 2025, Microsoft officially ended support for Windows 10. Although they gave users ample time to switch to Windows 11, millions still rely on Windows 10 and cannot upgrade to the new OS ...