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.

Lately, there’s been a lot of buzz about a new computer virus, and honestly, it’s kind of a big deal. These aren’t your grandpa’s viruses anymore; they’re getting super sneaky. Think fake update ...