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.

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

Bitdefender Antivirus Free scans and cleans your system using only the resources that you, your software or your operating system are not using, thus achieving near-zero impact on your activities.

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 ...

Bitdefender Antivirus Free scans and cleans your system using only the resources that you, your software or your operating system are not using, thus achieving near-zero impact on your activities.

Companies like Norton, McAfee, AVG and Bitdefender have antivirus and security solutions that can help keep your PC safe, but those features overlap with a lot of the features of Windows’ built-in ...

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 ...