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 ...

There are times when you can get something that's really good for free. PC Magazine recently rated a whole bunch of free security software and they found a number of products that did a really good ...

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

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 ...

Security software is a real free-for-all these days. Sure a few strings might come attached — some free anti-virus software and online scanners are strictly for personal use and you might need to put ...

You get what you pay for. That’s what they always say, right? And while that can be true for many things, antivirus software is a little different. There are reputable free antivirus solutions out ...

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 ...