Modifying save files in Forza Horizon 5 (FH5) is typically done through a process or a mod trainer
He clicked the link. The download was small, barely a few megabytes. Just a clean, executable file and a readme text document. The readme was sparse, containing only a single instruction: “Quality is in the eye of the beholder. Edit at your own risk.” forza horizon 5 save game editor extra quality high quality
Rename your newly exported "high quality" save to match that original name. Modifying save files in Forza Horizon 5 (FH5)
While save editors handle progress, "high quality" gameplay requires specific in-game settings: forza horizon 5 save game editor extra quality high quality