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.

Looking for a new antivirus? My tried and tested favorites will improve the security of your desktop PC, laptop, and mobile devices.

Modern antivirus tools have made PC infections rare, but they can still occur. Most viruses are designed to go unnoticed, quietly working in the background. Some of the quickest and easiest ways to ...

PCWorld outlines four essential security upgrades for new PCs: verifying Windows encryption settings, optimizing antivirus configurations, enabling biometric login, and setting up dedicated password ...