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.

Looking for a new antivirus? My tried and tested favorites will improve the security of your desktop PC, laptop, and mobile devices.

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

A finger pressing a key with antivirus inscription on a keyboard - Diy13/Getty Images With the ever-growing threat of malware, ransomware, and phishing scams, a solid security app is essential for any ...

Windows 11 users face growing cyber threats, from ransomware and phishing to occasional zero-day exploits. Choosing the right antivirus is no longer ...

Free malware scanners help find hidden threats on your PC that normal antivirus programs may miss.Running regular scans keeps your computer ...

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 ...

Back in 2023, we asked anti-virus expert Andreas Marx of AV-Test how so many infections escape antivirus software, even though it actually protects well. His answer: “Many programs successfully fend ...

Looking for more security than a VPN alone can offer? We're here to give you a rundown of the best VPNs with antivirus protection built-in. Virtual Private Networks (VPNs) are a great way to protect ...

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 ...