Back up your save files
Install Mod Engine 2 or the mod loader required by the mod
Download the Gundam mod files
Extract the mod archive
Read the mod’s included instructions and requirements
Place the mod files in the correct Mod Engine 2 or game directory folders
If required, install any dependency mods or parts packs
Configure the launch method if the mod uses a separate launcher or batch file
Disable online play or use offline mode to avoid anti-cheat issues
Launch the game through the modded launcher or specified executable
Verify the Gundam parts appear in the garage or parts list
If the mod does not load, check file paths, folder names, and load order
Remove the mod files to uninstall
Restore your backup save if needed