Download Avira
Free Antivirus for Windows

Simplicity meets complete online security.

Download now
Also available for Mac and Android.

Get even more protection with Avira Antivirus Pro

Works on both Windows and Mac OS!

  • Blocks infected websites
  • Secures you while you shop/bank
  • Gives you unlimited tech support
Security made in Germany Label Avira Windows 10 Compatible Antivirus

Light yet powerful antivirus for Windows

Easy to install and even easier to use, Avira delivers swift and smooth system scans at the push of a button. And being resource light, it doesn’t slow you down.

The best free antivirus for Windows

Our award-winning antivirus secures your data and protects your privacy against all types of malware threats – including worms, viruses, Trojans, and spyware.

  • Best repair capabilities. We’ll fix your corrupt files.
  • Top malware removal. If it’s there, we’ll get rid of it.
  • Best overall speed. We don’t slow you down.
  • Top product award. We’re proud of it.
  • Outstanding file detection. We’re known for it.
  • Best security product of the year. You’ll love it.

Real-time cloud scanning

Our Protection Cloud is our early warning system, which analyzes unknown files in the cloud –
anonymously – from millions of users, to protect you from threats as they emerge in real time.

1
A suspicious file is detected
2
The file's digital fingerprint is sent to the cloud
3
The file is checked in real-time against our database
4
The file is identified as either safe or infected
5
The information is returned to the device

Learn more about our Free Antivirus for Windows by checking our feature set and system requirements.

Want all of this... and more?

Introducing Avira Prime

Enjoy convenient access to all our premium services, with zero obligation

You will have our premium services across your devices and pay a flat monthly rate that you can cancel at any time. All-new premium services will be included automatically.

Get Avira Prime

Explore our other free solutions

Simplicity meets complete online security

Download Now
Install by clicking the
downloaded file.
Install by clicking the
downloaded file.
Open the download panel ( blue arrow on your toolbar), then click on the file to start the installation.
Open the installer and follow
the on-screen instructions
Open the download panel ( blue arrow on your toolbar), then click on the file to start the installation.
Click on "Run" to start the installation.
Run
Save
Click on "Run" to start the installation.
Run
View downloads
Surf the web anonymously
with our VPN
And secure your connections on public WiFi!
Download Free
Install Avira Phantom VPN Avira