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.

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 ...

Computers of any kind are at risk of receiving malware, and even though Windows 11 comes with Microsoft Defender Antivirus ...

Your device's built-in antivirus software might not be enough because cyber threats continue to evolve. While a tool like Apple's XProtect offers basic protection, it often lacks essential features ...

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

You get what you pay for. That’s what they always say, right? And while that can be true for many things, antivirus software is a little different. There are reputable free antivirus solutions out ...

Avira is a cybersecurity company known for its freemium antivirus softeware and safe browsing tools. Its consistently high performance in third-party testing has earned it places on both our best ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. AVG offers a variety of cybersecurity tools to keep your ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Avira is a cybersecurity company known for its freemium ...