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.

Have you ever sat down at your computer, ready to tackle a task or unwind with your favorite game, only to feel like something’s missing? Maybe it’s the hassle of juggling passwords, the frustration ...