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.

10 open-source apps I recommend every Windows user download - for free ...

If your system struggles when you're trying to get your game on, Razer Cortex could well be the answer. This free PC optimizer suspends unnecessary system processes, clears out memory and defrags your ...

Use Windows Sandbox to safely install and test unknown apps in an isolated environment. Protect your PC from malware and risky software without affecting your system.

Windows 11 is a solid operating system that offers some benefits over its predecessors. It features a fresh design, solid gaming performance, and offers much better multitasking over the prior version ...

On October 14, 2025, Microsoft officially ended support for Windows 10. Although they gave users ample time to switch to Windows 11, millions still rely on Windows 10 and cannot upgrade to the new OS ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...