Sounds as if the serial number Adobe gave you is for the standard version. Perhaps a mistake on their part or perhaps an ordering error somewhere along the line.
I have the CS5 Design Premium and I also have CS4 Extended. I decided not to upgrade the CS5 DP so I just upgraded CS4E to CS6E. No problems at all with the install so far.
Oops, a problem! Camera Raw as shipped with CS6 does NOT support the Canon 5D Mark III. What a bummer. Looks as if Adobe dropped the ball.
Message was edited by: CR Henderson