: Open the newly mounted drive and run setup.exe .

: Many CODEX installers have a checkbox that says "Copy contents of CODEX directory to installdir" . Check this to automate the final step.

: Security software often flags "crack" files (the contents of the CODEX folder) as false positives. If the game doesn't launch, check your antivirus quarantine.

: If you didn't check the box above, open the folder named CODEX inside the mounted ISO. Copy all files from that folder and paste them into the main directory where you installed the game, choosing "Replace" when prompted. Important Troubleshooting

: Once extracted, you will likely see an .iso file. On Windows 10/11 , right-click the ISO and select Mount . On older systems, use a tool like PowerISO or Daemon Tools .

: Ensure you have all required parts (e.g., part01.rar through partXX.rar ) in the same folder . If any parts are missing, the extraction will fail.