If you already have a Piano Marvel account (free or premium) follow these steps:
1. Visit www.pianomarvel.com
2. Click the "Login" link and login to your account and then go to your account and select "Billing" on the left hand menu.
3.Click the "Enter Subscription Key" link to redeem your code.
If you have not yet started a Piano Marvel account (free or premium) follow these steps:
1. Visit www.pianomarvel.com
2. Click the "Create an Account" link
3. Setup a free account and enter the code following the instructions above.