This is the most critical part of the review. Forza Horizon 4 has a strictly monitored anti-cheat system.
Would you like instructions on how to back up and restore a Forza Horizon 4 save file manually instead? forza horizon 4 save game editor repack verified
Before you can use a modded save, you need to let the game create a legitimate, fresh save file. Install your repack or launch the game offline. Play through the initial intro until you are asked to choose your first car and complete a quick race. After a minute or two of driving, the game will create a save for this new profile. You can then quit the game. This is the most critical part of the review