EA has written
That same collection is now being offered to all Origin users for free for a limited time. To get it, simply open Origin, select the "Redeem Product Code" option from the menu, and enter the code I-LOVE-THE-SIMS. You have until July 31 at 10AM Pacific to redeem the code to your Origin account. If you don't already have one, you can sign up for free.
as you can see, this giveaway only limited time which is valid until 31 July at 10AM Pacific. Grab now while it's available!
redeem the code now at Origin! I-LOVE-THE-SIMS
other source: Gamespot Link