Information regarding linking a Third Party Platform account to Battle.net and the cooldowns these accounts have
Steps on how to create a new Administrator Profile.
Each BattleTag is assigned a numeric ID to create a unique identifier.
What to do if you cannot accept the new End User License Agreement
Information on logging into the Battle.net application on more than one computer
Battle.net Balance limit info for the Country Change service
Link to the EULA which contains the answer to this question.
Information on using Diablo III Account Rollbacks after your account is hacked.
How to delete your Activision account
Information about changing the capitalization in your name without changing the name itself