In this video you can see that you are able to download the Assassin Creed 4 Black Flag Hidden Mystery Pack DLC for free on your Xbox 360 Xbox One and PS3 PS4. To download this Assassin Creed 4 Black Flag Hidden Mystery Pack DLC, you need to visit the following official web site: br br br br After you've read the instructions on the web site and got your Assassin Creed 4 Black Flag Hidden Mystery Pack DLC Keys, you can go to the Xbox Live Marketplace in order to redeem your own DLC Keys. After you have completed the redemption you unlocked the dlc and you'll be able to download your Assassin Creed 4 Black Flag Hidden Mystery Pack for free on your Xbox 360 Xbox One or PS3 PS4. If you have any more problems about this tutorial, you can comment about it on our web site. Thank you guys.