Welcome to Interact.
When you restored a license you should have been given an MJR file which is the license key.
Failing which, both should have been emailed to you. I think it's supposed to automatically register,
but in rare cases this doesn't work for some reason.
When you load MC you can select to manually open the MJR file, which will register your copy of MC.
Each key lasts something like 15 days.
A support line wouldn't help you to much at the moment, since in Minnesota where the App's developed it's still about 6am.
The forum works out pretty well with most questions getting answered fairly quickly.
There are alot of regular users from all around the world that spend time here, with much more knowledge
than a couple of guys on the end of the phone could provide.
JRiver figures using support forums they can spend more time/money developing the product.
The JRiver staff also spend a lot of time on the Forum resolving questions.
If you have more problems, just keep posting!
Chris
MC User