Keep your computer and other devices safe from viruses and other harmful software with these top-rated antivirus programs.

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 ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Discover Avast’s free version. Get full details on its key features, how it protects your device, how to safely install it, ...

From premium companies like Bitdefender and Malwarebytes to budget tools like AVG, I’ve tested the most popular antivirus ...

The free version of Avast scores better than Microsoft for tech support and, perhaps most importantly, for actual antivirus protection. It also ties Microsoft for trustworthiness—as does ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Best Antivirus Best Antivirus Software That Won’t Slow Down Your Computer Discover the best antivirus programs for computers that keep you protected without slowing you down. Table of Contents Laptops ...