Download Avira Free Antivirus

Award-winning protection for Windows, Mac, Android, and iOS.

"Avira plugs the holes Windows Defender often leaves open"
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Enjoy a multi-award-winner

We have received top awards for our protection, performance, and repair capabilities.

Top product award for our protection, performance, and usability
Top award that mimicks real-life situations
#1 antivirus detection technology
Top award for our anti-ransomware protection technology
Top-rated performance test - doesn't slow you down

Free or Pro?

Your lifestyle. Your choice.

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Avira Free Antivirus

Protects you from malware
Download for free
or
Avira Antivirus Pro Boxshot

Avira Antivirus Pro

- Protects you from malware
- Secures your shopping
- Blocks phishing attacks
- No ads & more
 
$44.99 / Year
Buy Now
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The best antivirus

But don’t take our word for it — see our latest results from AV-Test

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Best performance

We offer ultra-light virus definition updates – with a footprint so small it doesn’t slow you down and hog your system’s resources.

Avira Headquarters, Tettnang, Germany

Security made in Germany

Avira is a member of IT Security Made in Germany—synonymous with quality and respect for your privacy. We don’t monitor what you do
nor share your private info with 3rd parties.

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Our technology

To stay ahead, our multi-layered security harnesses the power of cloud technology, machine learning, and artificial intelligence. And as all the analysis happens on our end, you get top protection with minimal system impact.

We protect you from all online threats — for free

Ransomware

Adware

Spyware

Hacking

Phishing

Rootkits

Trojans

Worms

Browse safely and privately with Avira and Opera

The Opera browser is integrated into Avira's free Antivirus for Windows.

Avira's browser applications are optimized for Opera.  We recommend using Opera as your default browser for the best browsing experience.*

 

*If you do not wish to make Opera as your default browser, you can easily change the configuration or even uninstall it. Find out more.

Why Opera?

Opera is a fast, lightweight browser with unique features:

  • Integrated ad blocker
  • Customizable speed dials
  • Search for open tabs
  • Battery saver
  • Integrated messengers

Private by design: We don't sell your data.

Unlike most security vendors, Avira doesn't sell your data and never will. Nor do we share your data with 3rd parties such as government, Big Tech or advertising networks.

Made in Germany.
Downloaded by millions.

4.5/5 - Excellent

19,000+ reviews

And recommended by the industry

rated 4,5/5 on GOOGLE PLAY

520,600+ reviews

rated 4,1/5 in AppStore

300+ reviews

CNET Editor’s rating
Spectacular

Laptop, smartphone or tablet?

Secure all your devices with Avira

LOOKING FOR PREMIUM ANTIVIRUS?

Discover Antivirus Profor Mac and Windows

Learn more about the following

What is adware?

Adware shows annoying or infected advertisements on your device without your permission and you get spammed with banners and pop-ups…

Learn more

What is malware and why is our Malware Scanner important?

Visiting websites and downloading files makes your computer or mobile device vulnerable to threats and attacks…

Learn more

What is ransomware and why do I need ransomware protection?

Ransomware is malicious software that encrypts the hard disk of the infected system…

Learn more

What is phishing and why can it lead to ID theft?

Is that email from your bank? This technique uses deceptive emails and websites to gather personal information…

Learn more

What is spyware and why is it “watching”?

Spyware is a software that secretly monitors you and collects data about you, your device, and your online activities…

Learn more

Download award-winning antivirus for free

Important: Your current Windows version is outdated and no longer supported.
For your security, we recommend switching to Windows 10 before downloading Avira software.
Update your Windows version here.
Wichtig: Ihre Windows-Version ist veraltet und wird nicht mehr unterstützt.
Zu Ihrer Sicherheit empfehlen wir Ihnen den Wechsel zu Windows 10 vor dem Download unserer Software.
Hier können Sie Ihr Windows aktualisieren.
Important: Votre version actuelle de Windows est obsolète et n’est plus prise en charge.
Pour votre sécurité, nous vous conseillons de passer à Windows 10 avant de télécharger le logiciel Avira.
Mettez à jour votre version de Windows ici.
Importante: Tu versión actual de Windows está desactualizada y ya no es compatible.
Por tu seguridad, te recomendamos que instales Windows 10 antes de descargar la solución de Avira.
Actualiza aquí tu versión de Windows.
Importante: La tua attuale versione di Windows è obsoleta e non è più supportata.
Per la tua sicurezza, ti consigliamo di passare a Windows 10 prima di scaricare i software Avira.
Aggiorna la tua versione di Windows qui.
Importante: Sua versão atual do Windows está desatualizada e não tem mais suporte.
Para sua segurança, recomendamos que troque para o Windows 10 antes de baixar o software da Avira.
Atualize sua versão do Windows aqui.
Важно: ваша версия Windows устарела и больше не поддерживается.
Из соображений безопасности перед загрузкой ПО Avira мы рекомендуем перейти на Windows 10.
Обновить Windows вы можете здесь.
Belangrijk: Uw huidige versie van Windows is verouderd en wordt niet meer ondersteund.
Voor uw veiligheid adviseren wij u om over te stappen op Windows 10 voordat u de Avira-software downloadt.
Update uw Windows-versie hier.
Önemli: Kullanmakta olduğunuz Windows sürümü eski ve artık desteklenmiyor.
Güvenliğiniz için Avira yazılımını indirmeden önce Windows 10 sürümüne yükseltmenizi öneririz.
Windows sürümünü buradan güncelleyin.
重要 : 現在お使いの Windows バージョンは古いため、サポートされなくなりました。
安全のため、Avira ソフトウェアをダウンロードする前に Windows 10 に切り替えることをお勧めします。
こちらより Windows バージョンをアップデートしてください
重要信息 : 您当前的 Windows 版本已过时,并且不再受支持。
为了安全起见,我们建议您在下载 Avira 软件之前切换到 Windows 10。
在此升级您的 Windows 版本
重要資訊 : 您當前的 Windows 版本已過時,並且不再受支援。
為了安全起見,我們建議您在下載 Avira 軟體之前切換到 Windows 10。
在此升級您的 Windows 版本