If your xbox live account is using the same email address as your Origin account then they will automatically link together once you start playing Battlefield on the xbox. If they are different email address, you can contact a Game Advisor in order to get the accounts linked up.
Hope that helps.
You log into your PC origin account or www.origin.com with your Origin account and then go to the redeem code option and then redeem your BF3 CD key and BF3 will show up in your games library. Then click on the Bf3 icon and select download to install it.
If your xbox live account is using the same email address as your Origin account then they will automatically link together once you start playing Battlefield on the xbox. If they are different email address, you can contact a Game Advisor in order to get the accounts linked up.
Hope that helps.
