Protect your Windows Vista PC with Avast Free Antivirus

The most widely used antivirus in the world is fully ready to protects Windows Vista PCs

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Windows 10 full protection

Won't slow down Windows Vista

Windows Vista uses up a large amount of your computer's performance. Avast, on the other hand, has almost no impact. On top of this, advanced features such as Cleanup and Browser Cleanup further improve your PC's performance.

Safe upgrade to Windows 10

Get complete protection for Windows Vista

Windows Vista gives you next to no protection. To get serious about security on Windows Vista, Avast provides advanced features like intelligent antivirus, Home Network Security, Software Updater and more.

Approved antivirus for Windows 10

Official Windows Vista antivirus

AV Comparatives successfully tested Avast on Windows Vista. Another reason why more than 230 million users trust Avast – it's Windows Vista's official consumer security software provider.