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.

You need antivirus software. Attacks on your PC keep getting more sophisticated, thanks to the help of AI. Even the tech-savvy and cautious can get tricked into exposing themselves to malware, spyware ...

This is an important one. Some free antivirus software programs claim they will offer real-time monitoring when you use them. This means that as you scroll on your phone or computer, or download items ...

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 ...

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

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 ...

Antivirus software is necessary to install on a computer as it offers protection against several threats that can harm a computer. Windows 11/10 computers come with a built-in free antivirus software, ...

Whether you’ve been shopping the best gaming PC deals or already have a lot invested in one of the best gaming PCs, some antivirus software is the first step in keeping it secure. With a lot of games ...

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 ...