Log in to the Sims 3 community website using your Origin email and password: http://www.thesims3.com/ Under the "My Page" menu section at the top of the page, scroll down to "My Account" and select the "Redeem A Code" option under the sub-menu. Click on "Redeem a Code" Type in your provided "Sims 3 Date Night DLC Community Key" from your unique download page and click "Redeem". ​​Click on the link for your "Purchase History" which should be visible after typing in your code. You can also access it under "Store" > "My Store Account" > "Purchase History" from the top of the page. Click on the "Download" link under the icon. This will open your Sims 3 launcher and begin downloading the content through the launcher. Once finished downloading, click on the "Install" button below. That's it! You will now have additional clothing and content added in to your Sims 3 game!