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Our award-winning antivirus secures you against online threats.
- Formerly known as Windows Defender, Microsoft Defender Antivirus still delivers the comprehensive, ongoing, and real-time protection you expect against software threats like viruses, malware, and spyware across email, apps, the cloud, and the web. Windows Hello logs you in 3x faster than a password.
- AVG AntiVirus is perfect for Windows 10 AVG AntiVirus FREE gives you essential protection for your Windows 10 PC, stopping viruses, spyware and other malware. Fully loaded and compatible with Windows 10, it's antivirus made refreshingly simple.
- Download Free Antivirus optimized for Windows 10. Protects your PC against malware, viruses, Trojans, and more.
Protect your PC against online threats
With the industry’s leading detection rates, Avira Free Antivirus protects you from viruses, worms, Trojans, ransomware, spyware, adware, and rootkits.
Top protection, performance, and usability on Windows 10
With a low system impact, near-perfect detection rates, and intuitive interface, Avira Free Antivirus delivers a smooth-running solution that doesn’t slow you down and always has your back.
Compare Defender with Avira
Windows Defender offers essential protection against malware. Avira Free Antivirus delivers outstanding security with intelligent learning algorithms and award-winning detection technology. With Avira, you’re protected in real time against both known and unknown threats.
Migrate smoothly towards Windows 10
If you’re thinking of upgrading from Windows 7 or 8 to Windows 10, you can do so with Avira Free Antivirus, which is fully compatible with and optimized for all 3 operating systems.
Enjoy a multi-award-winner
Free Antivirus Software For Windows 10 Free Download
We have received top awards for our protection, performance, and repair capabilities.