-See BLIZZARD.COM/SUPPORT/BALANCELIMITS for balance limit and other restrictions. 
‌1-Redemption Go To blizzard.com/code Create a FREE Blizzard account. 
‌2-if you already have one, log in. Enter the code into the field provided. 
‌3-Your Blizzard Balance is now charged and ready to spend on your Blizzard Games(s) of choice.