Mount the extracted ISO file using a virtual drive (like Daemon Tools) or by right-clicking and selecting "Mount" in Windows 10/11.
Once the installation is finished, open the DARKSiDERS folder located within the mounted ISO. Copy all files from that folder and paste them into the game's main installation directory, overwriting the existing files.
Run setup.exe and follow the on-screen prompts to install the game.
Run the game via the main executable or the desktop shortcut. Deluxe Edition Contents
Always ensure your antivirus software isn't blocking the "crack" files (specifically those from the DARKSiDERS folder), as they are often flagged as false positives.