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.

Computers of any kind are at risk of receiving malware, and even though Windows 11 comes with Microsoft Defender Antivirus protection, it's not foolproof.

You need antivirus software. Attacks on your PC keep getting more sophisticated, thanks to the help of AI—we’re seeing more and more AI-fueled attacks as the months tick by. Even the tech-savvy and ...

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

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': ...

When choosing the best antivirus software for your device, its important to know how to use it - otherwise you could be paying for a service that isn't actually protecting anything. Running a virus ...

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 ...

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 ...

Avira Prime is one of the best choices for those seeking more help with managing their PC, thanks to its simple, clear interface and feature lineup. In addition to to solid antivirus protection, it ...

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 ...