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 ...

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.

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...

I tested the top backup software for 2025 to help you protect your data. Here's my hands-on review of the best options for businesses and individuals.

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': ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...

If you've recently lost favorite photos and videos or important documents stored on a drive, you might be able to get them back with free data recovery software. It's all too easy to accidentally ...