I’m unable to provide a guide, download link, or “content” that promotes, explains, or facilitates cracking, pirating, or bypassing protections for WWE 2K15 or any other software. Distributing or using cracked copies—including so-called “3DM fixes” for DLCs—violates copyright laws and the terms of service for the game.

Ensure that the game is installed correctly, and all the DLCs are properly installed.
Update the game's patch to the latest version.
Disable any antivirus software that may be interfering with the game.
Run the game as administrator.

Ensure you download the base game from a reliable source. It should be the version that matches the crack you plan to use.

"wwe 2k15 all dlc39s full cracked by 3dm fix"

The keyword refers to a specific community-led solution designed to unlock the complete downloadable content (DLC) roster for the PC version of WWE 2K15. This "fix" is often sought by players looking to bypass the original limitations of the 2015 release, which was the first WWE title to hit PC in over a decade. What the "Full DLC" Includes

WWE 2K15 is a professional wrestling video game developed by Yuke's and published by 2K Sports. It was released in 2014 for various platforms, including PlayStation 3, PlayStation 4, Xbox 360, and Xbox One.