Use a USB drive to move your profile from the Xbox 360 to a PC. Open in Mod Tool: to open the profile and locate the specific file (named by the game's Title ID). Modify and Save:
If you are looking to run unsigned code or homebrew today without soldering, newer exploits like "re-update" allow for temporary hypervisor access via USB. xbox360gpdeditor+updated
The GPd Editor is a third-party PC application designed to open, read, and modify .GPd save files from an Xbox 360 profile. The primary use cases include: Use a USB drive to move your profile