The email instructions I got hinted at there being a code I had to redeem in order to get into the game. But once I signed in via the client, all I had to do was accept the user agreement and I was good to go. In the game right now,. Having a weird problem though, my sound drivers keep dying after about 25 minutes of gameplay (literally die). I can exit out of the game, go into iTunes, and I won't even get sound there. Requires an entire reboot to fix. Drivers are up to date and everything, very strange. I didn't have that problem during any of the beta waves.
And I had redeemed the pre-order code back in June/July, as soon as the CE was announced I had it