Best Gratis Antivirus Software for Your Devices

Keep your devices safe from viruses, malware and threats — completely free.
Tested and trusted antivirus software with real-time protection.

Top Free Antivirus Software

Reliable antivirus protection that won't cost you anything.

Built into Windows 10/11 for free. Real-time protection, cloud-based detection, and regular updates. Often ranked alongside paid solutions.

Comprehensive free antivirus with real-time threat detection, WiFi security scanning, and password manager.

Free antivirus with email protection, web browsing shield, and real-time security updates. Light on system resources.

Award-winning malware detection with minimal system impact. Simple, automated protection with no configuration needed.

Essential free protection from one of the world's leading security companies. Real-time scanning and web protection included.

On-demand malware scanner great for removing existing infections. Works alongside other antivirus programs as a second layer.

Common questions about free antivirus software.

Keep your digital life safe with free tools from Gratis Dog.