1) Login to your client area billing account at :
https://leb.services

2) Click on : My Services

3) On the far right of your service, click on the icon next to //Next Due Date//

You should now see your existing login information, you can also change it from that page:
Client Area /My Products Services /Product Details

then enter a new password and click the update button.
Also : click on //my emails// to locate the Account Details Information e-mails.