This key only works only Windows version.
Open Malwarebytes by double-clicking on it's tray icon. Click on "Activate License". Fill in the product key.Check the box "My license came with a License ID". Fill in the license ID. Click "Activate" and that's it.
You cannot register the key to your account. this can only be used on the software. This will work for lifetime period .
Can I move my license to a new PC? "Deactivate License" from your MalwareBytes account options tab. Then you are free to use the same license information to activate the software on another computer.
Only one computer can be activated with a license at a time. You will be unable to activate the software on a new computer without deactivating on the old one first.