Download Avira Free Antivirus for Windows 7

Our award-winning antivirus secures you against online threats.

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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.

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.

99.70%
91.40%

Source: AV Comparatives, real-world protection test, February 2016

Top protection, performance, and usability on Windows 7

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.

Enjoy multiple award-winning Antivirus protection

Top awards for our security, performance, and repair capabilities.

  • Outstanding antivirus protection in real-world situations
  • Top award for our anti-ransomware protection technology
  • Ranked best antivirus in the industry for our repair capabilities
  • Top product award for our protection, performance, and usability

Download the best free antivirus

Protects you against all types of threats, secures your data, protects your privacy, and ensures your PC remains virus-free.

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Download award-winning protection for Windows 7

Download Free