Protect your devices without spending a penny. Explore the best free antivirus software, with expert reviews and top picks for Windows, Mac, and mobile.

Want to keep your devices safe? These tried-and-true free antivirus tools can protect your computer, phone and other devices -- without breaking the bank.

Here are the pros and cons of free antivirus software and whether you should consider upgrading to paid antivirus suites.

SEATTLE (AP) — Microsoft Corp. said Thursday it plans to release a beta test of its free computer security program next week and is on track to launch a finished product in the fall.The program ...

Firmware is the low-level software that is deeply integrated into the hardware of your device. It sits beneath higher-level ...

The security software will come as a free download, but it won't be part of Microsoft's Windows 7 operating system, which goes on sale in October.