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.

Antivirus software may already be installed on your computer but here’s what you need to know about how it works and keeps you safe online in the background.

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

Webroot - Its streamlined technology, efficient scanning, and powerful threat intelligence make it a highly recommended solution for maintaining strong PC security. The Software Experts evaluation ...