Getting things ready…
Redeem in the Battle.net app or on your Battle.net account page.
Start the Battle.net app, or open your account page in a browser.
Select your account name and choose “Redeem a Code”.
Enter the code and select “Redeem”.
The game or balance is added to your account.
Check the region of your Battle.net account against the key’s region.
Still stuck? Contact support with a screenshot of the message. We replace a key that doesn’t work or refund you.