Microsoft Defender isn't enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free ...

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

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 ...

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

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 ...

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

5 Antivirus Programs That Actually Hold Up in 2026 Best Antivirus Software That Won’t Slow Down Your Computer Discover the best antivirus programs for computers that keep you protected without slowing ...

Avast Premium Security expands the protection of the company’s already excellent free antivirus software by leaning harder into safeguarding your PC. That can be a boon for those who don’t need (or ...

SEATTLE -- Microsoft Corp. said Thursday it plans to release a beta test of its free computer security program next week and is on track to launch a finished product in the fall. The program, ...

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