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, ...

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 ...

Consumer Reports cautions you to only shop at sites you trust. And it's essential to protect your computer from spyware, viruses, and spam by installing security software. Consumer Reports tested ...

Overview: Lightweight antivirus software improves protection without reducing speed on older Windows computers ...

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

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, ...

In today's connected world, our digital lives hold vast amounts of personal information — from financial records to private conversations. With increasing cyber threats, essential software security is ...

Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested more than two dozen utilities to help you choose the right antivirus for your ...

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