When you get an email that you have been assigned a username in Paligo, you'll need to set a password. There is a link in the email you get from Paligo that will take you to the set password screen:
The link to set your password expires within 24 hours of receipt, but you can request a new link from the email.
Follow the instructions to create your password:
Once you have set your password and accepted the terms of service, sign in to your account. You'll be on your user dashboard which looks something like this:
If you have any documents assigned to you, they will be in the lowere right part of the window.