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If you experience any installation issues:

  1. Ensure your PC meets the minimum system requirements and your Windows is up-to-date.

MINIMUM SYSTEM REQUIREMENTS:

  • Windows 10 except Mobile and IoT Core Edition (32 or 64-bit); Windows 8/8.1 except RT and Starter Edition (32 or 64-bit); Windows 7 SP2 or higher, any Edition (32 or 64-bit).
  • Windows fully compatible PC with Intel Pentium 4 / AMD Athlon 64 processor or above (must support SSE2 instructions); ARM-based devices are not supported.
  • 1 GB RAM or above.
  • 2 GB free space on the hard disk.
  • Internet connection to download, activate, and maintain program updates and antivirus database.
  • Optimally standard screen resolution no less than 1024 x 768 pixels.

  1. Check that the downloaded setup file is not corrupted. For instructions, refer to the following article:
  2. Uninstall any previous antivirus software from your PC. For instructions, refer to the following articles:
  3. Restart your PC, then try to install Avast Free Antivirus again by following the exact steps in this article.

Source : Official Avast Brand
Editor by : BEST Antivirus KBS Team

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