When you purchase Avast Premium Security (previously Avast Security Pro), you need to manually activate your subscription using either a valid activation code or by logging into your Avast Account.
Before you begin activation, ensure the latest version of Avast Security is installed on your Mac. For detailed installation instructions, refer to the following article:
Activate Avast Premium Security for Mac
Further recommendations
To transfer your subscription to a different Mac, uninstall Avast Premium Security from your Mac before you activate your subscription on the alternative Mac. For reinstallation instructions, refer to the following articles:
Troubleshoot activation issues
In some cases, subscription synchronization may take up to 24 hours after purchase. If your subscription is still not active after this time, refer to the following article:
- Avast Premium Security 14.x for Mac
- Apple macOS 10.14.x (Mojave)
- Apple macOS 10.13.x (High Sierra)
- Apple macOS 10.12.x (Sierra)
- Apple Mac OS X 10.11.x (El Capitan)
- Apple Mac OS X 10.10.x (Yosemite)