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.
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