For more technical details on setup, you can visit the NSC Builder GitHub repository . How to Merge Secret Console Games with Updates and DLC

: Ensure your keys match the firmware version of the games you are processing. If you try to merge a game requiring Firmware 17.0 with keys from Firmware 10.0, the process will fail. 3. Common Troubleshooting

: Once you have prod.keys on your PC, rename it exactly to keys.txt .