Got mine fixed!
First in itunes went to account
Then signed in - Under Apple ID summery saw that I had 4 computers authorized to used iTunes. Deauthorized them all. Then reauthorized the one I am on.
My Serial number was not showing up even though I bought this MacBook Pro brand new and never had it serviced.
I downloaded Blank Board Serializer - Burned it to a CD using Disk Utilities
Took the battery out of the laptop so I could get a better look at the tiny serial number on the case, and wrote it down.
Restarted the computer holding the Option key
Selected the CD with the program on it to write serial number to ROM on board. Restarted
Checked About this Mac and more info and the serial number now shows up.
Got into iCould with now problem.