don't know if anyone posted this but,
To add the game, just follow these steps:

Start by downloading and installing Origin. If you already have Origin you can skip to step 3.
Not an Origin member? Create a free Origin Account to get in the game.
Launch Origin and log into your Origin Account.
From the ‘Games’ tab in the Origin menu, select ‘Redeem Product Code’ and enter the code
I-LOVE-THE-SIMS

:)