To redeem the code follow the instructions below:
1.Go to http://www.thesims3.com and make an account if you do not already have one. If you already have an account, you can skip to step 2. If you already have an Origin account, please use the same email and password to register at http://www.thesims3.com;
2.Once you are a registered member of http://www.thesims3.com, log in to your account to register your game codes;
3.Click on the My Page tab;
4.Click the My Account tab;
5.Click on Redeem Code. With the 16-character key click Redeem;
6.Enter the product code for the expansion pack or stuff pack;
7.Click the green Register button.