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.

If your PC struggles to handle modern software, you'll fare much better with these lighterweight alternatives.

When things are working fine, it's easy to assume that software updates are unnecessary. But almost every device around you ...

Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested more than two dozen utilities to help you choose the right antivirus for your ...