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.

Avast has also been recognized by AV-TEST, an independent IT security institute, as one of the "best Windows antivirus software for home users" in their evaluation during May and June 2025, ...

Put a brand-new laptop or desktop PC in front of most people, and they’ll begin installing their favorite programs. Me? I check out its security setup. That’s not just making sure basics like ...