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.

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

Put a brand-new laptop or desktop PC in front of most people, and they’ll begin installing their favorite programs. Me? I ...

Your PC's critical security certificates may be about to expire - how to check ...