Unlike trainers or cheat engines that need to run in the background while you play, a save editor modifies the file permanently. You edit once, save, reload the game, and the changes are there forever.
To use a save editor or perform a swap, you must manually locate your save data: save editor forza horizon 5 free
If you're stuck or finding progression slow, consider checking official Forza community forums for legitimate tips and strategies. Would you like help with legitimate game progression strategies instead? Unlike trainers or cheat engines that need to