Protect your Windows 8 PC with Avast Free Antivirus

Antivirus with more than 230 million users fully protects also Windows 8 PCs

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Windows 10 full protection

Get the most out of Windows 8

Use Avast to get great performance from your Windows 8 PC. Not only is there almost no impact on your PC's speed, but you can hurry things up even further with advanced features like Cleanup and Browser Cleanup.

Safe upgrade to Windows 10

Protect your Windows 8 PC against malware

AV Comparatives has successfully tested Avast against malware on Windows 8 and showed it provided 100% protection against 0-day malware attacks.

Approved antivirus for Windows 10

Approved antivirus for Windows 8

Avast is Windows 8's official consumer security software provider – yet another reason why more than 230 million users trust Avast.