Your email address and password are required to log in to your Z.com account.
There are two ways to retrieve the email address; if you forget the one you use to log in to your Z.com account.
Refer to the guide on how to retrieve your email address.
Or, if you have forgotten your password, you may reset the current password that you are using for your Z.com account.
Refer to the guide on how to reset your password.