After you register to create an account on the web site, the system will send you an email with login instructions and a temporary password. After logging in, navigate to "My account" (black bar at the top of the page), and then click the "Edit" tab to change your password.

If you previously registered a team on the old web site (before 2012), you will need to create a new account and enter your contact information again. Visit the Registration page to create a new user account on the web site.