The invite from Beacon should ask you to create a password and then brings you in as a Admin, no registration code is required.
Send me a screen shot of what you are seeing and I can help you work through it.
Bill, I may have jumped the gun a little. I was thinking I was set up for the Uniprint scout and was starting the install and it asked for the code. After I read a little more I realized I wasn't quite set up for what I needed yet.