BattleNet Key Activation
To activate a Blizzard game key, you'll need a Battle.net account. If you already have one, just follow these steps:
Grab your key from your igitems orders page.
Head over to Battle.net and sign into your account.
Click your email address in the upper right corner.
Select "Account Settings".
On the left side, select "Account Overview".
Paste your key into the "Redeem Code" window.
Click "Redeem Code" to finish the activation.
Having trouble? Reach out to igitems support for help.