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.

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

Webroot - Its streamlined technology, efficient scanning, and powerful threat intelligence make it a highly recommended solution for maintaining strong PC security. The Software Experts evaluation ...

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 ...

Modern antivirus tools have made PC infections rare, but they can still occur. Most viruses are designed to go unnoticed, quietly working in the background. Some of the quickest and easiest ways to ...

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 ...

If your system struggles when you're trying to get your game on, Razer Cortex could well be the answer. This free PC optimizer suspends unnecessary system processes, clears out memory and defrags your ...

Put a brand-new laptop or desktop PC in front of most people, and they’ll begin installing their favorite programs. Me? I ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...