In this video you can see that you are able to download Call of Duty Advanced Warfare Reckoning DLC for Free.

http://www.ultimatefreehacks.com/call-of-duty-advanced-warfare-reckoning-dlc-code-generator/

After you've read the instructions on the web site and got Call of Duty Advanced Warfare Reckoning DLC code, you can go to the Redeem it on your Game Store. After you have completed the redemtion you unlocked the dlc and you'll be able to download your Call of Duty Advanced Warfare Reckoning DLC for free. If you have any more problems about this tutorial, you can comment about it on our web site. Thank you guys.