Download Avira
Free Antivirus for Windows

Simplicity meets complete online security.

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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.

AV Comparatives Award AV Certified OOPSWAT Award vb 100 Award

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.

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Simplicity meets complete online security

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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.
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