Download the Collapser client here
Account and Character Creation
To create your account, click on the Account Administration link on the right side of the website, then click Register. Submit a valid email and password, and you're free to log into the client using your account information.
To create a character, log into Account Manager and say account, character, and then your desired character name. Log out of your account and back in and you'll see your character ready to play.