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 ...

Firmware is the low-level software that is deeply integrated into the hardware of your device. It sits beneath higher-level software and your PC’s hardware and acts as a kind of bridge running the ...

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

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...

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.