: Find the license file in your order confirmation email from the retailer or Avast Account .
: Click on ☰ Menu (top-right corner) and select Enter activation code .
: On the activation screen, click the link that says Use a license file . Download File Avast Premium Security License-mh...
To activate Avast Premium Security using a license file (typically ending in .avastlic ), follow the steps below based on official Avast Support procedures.
: Right-click the attachment (often named License.avastlic ) and select Save Link As or Save As . : Find the license file in your order
: Launch the Avast Premium Security interface from your desktop or the taskbar tray icon.
: Review the subscription details and click Continue to complete the activation. Important Security Notes To activate Avast Premium Security using a license
: For a more secure and modern method, simply sign in to your Avast Account within the app to automatically sync your subscription without needing a physical file. Missing AVAST license file