Type or paste the official 18-character activation code exactly as provided (including hyphens).
Open the Avast Cleanup Premium interface, go to Menu > Enter Activation Code , and type in your 18-to-20-character string.
The answer depends on how you use your computer.
Temporary codes issued for review purposes or short-term marketing campaigns that have passed their validity date.
Avast employs robust cloud-based license verification. When a leaked license key is used on more than a handful of computers, the Avast servers instantly flag and revoke it. You might see a "License successfully installed" message for five minutes, but within an hour, it will revert to "Invalid subscription." You have wasted your time.
Avast does not use simple "codes" in the traditional sense (like ABCDE-12345-FGHIJ ). Instead, it uses a tied to either:
: Paste your activation code into the designated field. Activate : Click Activate to unlock your premium features. Key Features of Avast Cleanup Premium If you are considering activating the premium version,
