Follow the instructions below to activate an Origin game:
1) You have to download the Origin game client. Go to www.origin.com then click on “Download” on the left menu section. Download and install this program.
2) Once installed, launch the game client and login. Create a new account if you don’t have one.
3) Now click on “Origin” at the top of your window and then click on “redeem a product code”.
4) Enter the game key provided and agree.
5) Go to “My games” and find the new game, right click and then click on download. You can start playing once downloaded.