Microsoft Defender isn't 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.

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

Best Antivirus Best Free Antivirus in 2026: What You Get (and What You Don’t) Free antivirus software in 2026: compare Avast One, Bitdefender, AVG, and Malwarebytes. Discover what free protection ...

All the antivirus apps here were installed on a Windows 11 PC updated to the latest version and with all security patches ...

Best Antivirus Best Antivirus Software for Windows PCs in 2026 Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, ...

It's important to know the signs of a virus, so that you can act quickly to get rid of any malware and stay safe in future. A virus is a type of malicious software, or malware, that can replicate ...

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 ...

Back in 2023, we asked anti-virus expert Andreas Marx of AV-Test how so many infections escape antivirus software, even though it actually protects well. His answer: “Many programs successfully fend ...

Your PC's antivirus software might be able to tackle malware, but some infections require more powerful solutions. If you're dealing with a nasty malware infection that you just can't shift, a USB ...

Free antivirus apps can protect your PC from common threats—but paid software often adds stronger defenses, extra tools, and peace of mind. I'm here to walk you through the differences. When the IBM ...

Antivirus software is not free of errors and sometimes reports computer viruses where there are none. For this reason, the company Procolored, a manufacturer of textile printers, indignantly defended ...

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 ...