1. Copy the key you have got after transaction. You can find the key in your profile on the site Oplata.info:
2. Once you are logged into your Origin account, download the Origin client to your computer and install it.
3. Open the Origin client that has been installed on your computer and login with your new or existing username and password:
4. Once you copy and paste the key into Origin press Enter or click Next. Click Next again to confirm redeeming of the game. It has now been added to your Origin library.
5. If you run into any problems with the Origin program or your account, please contact EA Support here