The Public Test Realm/Region (PTR) is a special service you can use to test patches before we release them to the public.
Troubleshooting steps for Public Test Realm access.
Eligibility requirements for Blizzard-sanctioned events
This article highlights a few passages from the EULA that are most relevant to this policy.
Information on tournament formats for Blizzard products
The code of conduct for Blizzard Entertainment forums
How to change the country / region of residence on a Blizzard account.