After purchasing Avast Premier, you need to activate the product using either a valid activation code (sometimes called a subscription code or voucher code), or via your Avast Account that is registered with the same email address you used to make the purchase.
If you received a license file instead of an activation code, refer to the following article for instructions:
Before following the activation steps in this article, ensure the latest version of Avast Premier is installed on your PC. For instructions, refer to the following article:
Activate Avast Premier
Troubleshoot activation issues
To troubleshoot activation issues, reinstall Avast Premier on your PC and activate it again. For reinstallation instructions, refer to the following articles:
In some cases, license synchronization may take up to 24 hours after purchase. If your license is still not active after this time, refer to the following article:
- Avast Premier 19.x
- Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit
- Microsoft Windows 8.1 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 8 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 1, 32 / 64-bit