To change your license:
- Launch Malwarebytes Anti-Malware.
- Click on the words My Account in the top right hand corner of the program.
- Click on the Change License button.
- Copy and paste your license key into the Key field (the box marked with a key icon).
- If you also have an ID, please click on I also have an ID… and copy and paste the ID into the ID field.
- Click the Activate button to activate your Malwarebytes Anti-Malware Premium license.
You should now see the word Premium in the upper edge of the title bar
Open the program and click on the words My Account in the top right hand corner. Please check over your license and the days remaining. If it looks correct, then you should be good to go.