What to do if you found a charge on your credit card, bank account statement, or PayPal account that you don't recognize.
This article explains the process of speaking to a customer support representative or Game Master (GM).
Exchanging a Blizzard product code for a different product
Hearthstone Patch Not Available on Mobile Platform
The Battle.net Update Agent could not install in the specified folder location.
What to do if you ran a Hearthstone arena and you didn't earn rewards or the reward was incorrect
How to change the country/region of residence on your Battle.net account.
What to do if you get this error when logging in to Hearthstone.
Failed to download a required update. Please check your internet connection and try again.
Want to transfer Hearthstone progress/purchases to another region