Optimize all your devices

Download free apps that clean and speed you up. For Windows, Mac & Android.

  • Get extra speed & faster starts
  • Free up storage space & memory
  • Clean your system & browsers
"One of the best tune-up tools on the market”
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Faster starts and quicker processing

Avira streamlines the way programs and apps open and run on your device, so you enjoy faster startups and smoother surfing. 

  • Blocks apps that hog your resources
  • Frees up memory
  • Reduces freezing and crashes

 

Free up storage space

No need to keep buying new hard drives or SD cards. Over time, your storage fills up with junk, temporary, and cached files. Use Avira to take control and clear them out!

Stay mobile for longer

Keep working and enjoying life wherever you are. Squeeze every drop of juice from your battery with a range of smart, energy efficient features. Laptops, tablets, and mobiles – Avira improves batteryperformance for them all.

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

46,000 + ratings

Rated 4,78 / 5 on NetZsieger

Learn more about the following

What exactly does a RAM Cleaner do other than clean RAM?

It can speed you up, that’s what! More RAM means that processes run faster. Don’t buy more—clear out what you have…

Find out how our RAM Cleaner speeds up your device

Need to drive performance with our Speed Booster?

PC crawling like a snail? Devices are like car engines. Give them the cleanup and tune-up they need…

Find out how your PC can run like new with our Speed Booster

Want to last longer with our Battery Saver?

Battery icon flashing again? Find out what’s draining it and extend the performance of your mobile devices…

See how to optimize battery life with our Battery Saver

Is it time to clear out the clutter with our Junk Cleaner?

Screen frozen? For more speed, disk space, and performance, take out the trash (like junk files, temp files…)

Free up space and speed up your device now with our Junk Cleaner

8 reasons to optimize your devices

Faster starts

More space

Better gaming

More battery

Save money

More privacy

More stability

Maintenance

Laptop, smartphone, or tablet?

Enhance the performance of all your devices

Looking for premium optimization tools?

Discover System Speedup ProFor Windows

Optimize all your devices 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