Required: email.
- Open the URL.
- Press the button "use referral code here".
- Type-in first & last name, email, password (two times, upper and lower case letters, 8 characters or more).
- Press the green "REGISTER" button.
- Now move to your email and find mail from "[email protected]" with "Verify Email" link. Click on it.
- Close the window and get back to log-in.
- Type-in mail, password, and login.
You will see the "Referral program" link on the left. Take a link from here for your friends.