I mean really!?!? The information for your question is posted on the website....under FAQS....you know Frequently Asked Questions concerning this as well as a Forum post about this. You cannot setup a subscription service...on a game....that is not released yet. And before people say it is.....its NOT released yet. I have preordered but I have NOT paid for the game yet as its unreleased until Tuesday. So No you cannot enter your registration code yet....you prolly dont have it yet.....and NO you cannot setup a subscription yet.......So please for the love of all things in this world READ and use the SEARCH function.