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 ...

Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your ...

Learn about Avast antivirus. This guide covers key security features, privacy tools, details about the free version, and how ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Knowing how antivirus software works can help protect your computer from malicious actors and ...

Marshall Gunnell is a Tokyo-based tech journalist and editor with over a decade of experience covering IT, cybersecurity and data storage. Alongside CNET, his work has appeared in ZDNET, Business ...

If you’re new to using a computer or new to Microsoft, or on the flip side, very, very experienced you might be thinking: Do I really need an antivirus program for my Windows 11 computer? The short ...

We've tested and reviewed both free and paid-for antivirus software. We bombarded each one with tens of thousands of threats to see how well they could withstand viruses, ransomware and phishing ...

Anyone who’s used a PC in the past 20 years will be aware of antivirus software. Adverts have been popping up everywhere, telling us our computers are at risk and we need to update our protection or ...

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 ...