For the person that ordered the ViewClix frame:
To login, use the email and password that you created during the ordering process.
For other family and friends:
The person that ordered the ViewClix frame is the initial organizer / admin for the frame. That administrator can add you to the frame's Share List of authorized users. Then, you'll automatically receive a welcome email from ViewClix, inviting you to activate your own ViewClix account. Follow the instructions in the email to create your password.
You'll use this login for both ViewClix Mobile App and the Member Portal (viewclix.com/members).