There are two cases to according to the page you see –
1. Login to the miniorange screen : you should click on forgot password link. you will get your new password on your email address which you have registered with miniorange. now you can login with the new password.
2. Register with miniorange screen: Enter your email ID and any random password in the password and confirm password input box. This will redirect you to login with miniorange screen. Now follow the first step.