Payment failed. Your financial institution may be denying the payment. Contact your bank or credit card issuer for help.

Friend or family member used payment information without permission and I would like a refund for the purchase(s) made

What to do if you do not have a Battle.net account but are receiving emails from Blizzard Entertainment

The performance menu in Heroes of the Storm can help you diagnose and troubleshoot performance issues.

Troubleshooting for latency and connection issues in Heroes of the Storm.

These video cards are supported for use with Heroes of the Storm.

This warning displays if you don't have enough available memory on your system to use your current settings.

Slow and choppy gameplay in Heroes of the Storm can have a variety of causes.

Blizzardバランス用のコードを引き換える方法

複数のBattle.netアカウントを1つのアカウントに統合する方法。