How do I set up the customer portal
This is a link to the video that there's a good chance you just watched.
Here is the YouTube Video that you were sent explaining how to set up your user. If you accidentally misplaced it, or closed it out, and don't have access to the email anymore, you can find the link here.
https://www.youtube.com/watch?v=F7R-d8Qv9FU