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.

Having an antivirus app on Windows is a must. While Windows Defender is certainly an option, Consumer Reports rates these ...

Add Yahoo as a preferred source to see more of our stories on Google. Both Avast and Bitdefender originally built their reputations on their high-quality, free solutions. Even though they've both ...

Free malware scanners help find hidden threats on your PC that normal antivirus programs may miss.Running regular scans keeps your computer ...