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 ...

Having an antivirus app on Windows is a must. While Windows Defender is certainly an option, Consumer Reports rates these ...

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 ...

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 ...

Discover the best antivirus software in the US for 2026. Compare top solutions like Bitdefender, Norton, and AVG to protect your devices and data.

Unlike your built-in laptop antivirus protection, modern antivirus software doesn’t just protect you from dodgy downloads—it can keep the kids from looking at web pages they shouldn’t or make sure ...

PCWorld highlights three superior antivirus alternatives to PC free trials: Windows Security, free options like Bitdefender and Avast One, and comprehensive paid suites like Norton 360 Deluxe. Free ...

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 ...

We explore how Windows Security and Microsoft Defender protect your Windows 11 computer and why you might want to consider an alternative. Dianna Gunn built her first WordPress website in 2008. Since ...