If you haven't purchased the DLC yet, Steam will prompt you to buy it. Once purchased, the DLC will start downloading automatically to your game.
For the uninitiated, the DLC for WWE 2K15 was arguably better than the base game. It included: Wwe 2k15 Dlc Download Pc
The following content is typically available by default or through standard game updates: : " One More Match Hall of Pain Path of the Warrior If you haven't purchased the DLC yet, Steam
: Enhancing the depth of the 2K Showcase and other modes. Core DLC Packs Available Wwe 2k15 Dlc Download Pc