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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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.

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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.

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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.