Download a free antivirus for your Windows PC or laptop to help detect and isolate potential cyberthreats. Check suspicious messages or offers with our new AI-powered Avast Assistant.

Nov 26, 2025 · Based on painstaking testing, lab scores, and hands-on evaluations, we’ve named Avast One Basic and AVG AntiVirus Free as our Editors’ Choice winners for free antivirus apps.

Get our free antivirus for Windows. Download our virus protection software today. Defend your PC or laptop against malware and other threats.

Download free antivirus and malware protection. Tune up your PC, Mac, & Android. Encrypt your connection and browse anonymously with a VPN.

Bitdefender Antivirus Free is a free antivirus software especially designed to protect your Windows PC. Quick to install and light on computer resources, it is good for gaming, image and video editing, and …

Oct 10, 2025 · TotalAV tops our list of free antivirus with excellent malware detection, data breach scanning, and a system tune-up tool, despite lacking real-time protection.

Nov 21, 2025 · We've researched and tested popular free antivirus software to help you find the best cybersecurity tools for your needs.

Many of the big names in antivirus offer a free version of their security suites. Here are our top choices for free antivirus.

Nov 5, 2025 · Avast One Essential remains my top pick as the best free antivirus for most people, with Bitdefender and Avira rounding out the top three services.