To obtain the email and password must be you send your email and some other personal information to the registration of the university or your department, thin check your email well be in your inbox of your email have a message by the university, and contain your password thin you can go to the login page and type your email and password and enter captcha click to the login to show your absence.
To obtain the password if you forget it, you can check your email that contain password if your found it then you can login to the system if not you will be go to your department and talk with him about your password forgetting, then the department will be update your password and send anther password to your email, check your email and get password to login the system.