Sims 3 plus supernatural serial code registration?

This seems to be a confusing issue for many people. Please read either of these helpful posts to make sure you're following the right steps for registering your games and redeeming bonus content:

-- http://answers.ea.com/t5/The-Sims-3/Information-How-to-Register-The-Sims-3/m-p/387162
-- http://forum.thesims3.com/jforum/posts/list/656133.page
-- http://forum.thesims3.com/jforum/posts/list/655809.page


Best of luck