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.

Every time I've had the pleasure of troubleshooting a slow computer, I've discovered that viruses were sapping the PC's performance—and that's included my own. However, you don't have to start pricing ...

Virus removal tools can be standalone one-time scanners or built into full antivirus software. They scan your system for malicious files and remove them. Standalone tools are great as a second opinion ...

A: If all you're doing is basic computing like emailing, document creation, surfing the web and such, then the level of protection you receive from a free antivirus program should be enough to keep ...

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...