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.

Antivirus has become these days a catch-all term. It doesn’t just mean blocking literal computer viruses, trojans, and other bits of malicious code meant to attack your PC. When you opt to go beyond ...

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 ...

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 ...

Every time I've had the pleasure of troubleshooting a slow computer, I've discovered that viruses were sapping the PC's performance—and that's included my own. However, you don't have to start pricing ...

"What do I need on my PC to keep it safe from hackers? Oh, and I don't want to have to pay anything." I get that a lot. If you're looking for an easy answer, here's something from an unlikely source — ...

Kim Komando reveals why AI-generated malware is beating free antivirus software, the dark web marketplace selling viruses for $100/month and the symptoms that mean your computer is already infected.

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 ...