Instructions
Navigate to the NCSoft Account Management website on your computer's Internet browser. (See Resources.)
Enter your account name and password and click "Log In."
Click the "Game Accounts" link, located at the top of the page, then click "Aion."
Click the "Actions" tab and select "Change Password." Enter your desired password in both "New Password" fields.
Click "Change Password." Your "Aion" password has been successfully changed.