Type the email you used to create the account and we send you a link to pick a new password. It works the same if you just want to change it.
No account yet? Create account →
If you did not ask for this, there is nothing to do: your password stays the same.
The email is only for this. On the game login screen you type the username.
No realm administrator will ever ask for it, not by email and not in game.
Lost access to that email?