1. Login to your Battlenet account.

2. Click on “Games & Codes” and select “Add a Game Key”

3. Enter your CD Key / Game Time Card then click on “Redeem Code” to complete the redemption.

Note: If you encounter any issue adding a Game Card to your subscription, please try the following method to get the Game Card added into your game account.

  • Clear your browser’s cache and cookies.
  • Use a different web browser.
  • or, relogin back to your Battle.net account and try again with your serial. You might encounter error on several occasion as Blizzard receives heavy traffic on their webpages.