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.

Can you really get a Windows PC running like new again? Using this free tool from Microsoft, you can get pretty close.

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

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

Last year, several dangerous security vulnerabilities were found in the popular 7zip compression tool that were closed with new versions. However, these patches had to be downloaded and installed ...

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