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.

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

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 ...

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 ...

Bitdefender vs. Malwarebytes: Which Antivirus Offers Better Protection? Malwarebytes is best known for its free malware cleanup tool, but its full-featured antivirus software is also worth considering ...

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 ...

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 ...

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 ...

Many Mac users wonder if they need extra antivirus software. The answer depends on what you use your Mac for and where you’re using it from. The macOS operating system is tightly controlled and uses ...

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 ...