Sometimes, transitioning your save file from the Xbox version to the Seven Launcher version requires a bit of file management. Furthermore, getting DLC cars (specifically expansions like Rally Adventure or Hot Wheels) to work properly can sometimes require additional fixes or files, whereas the Store version handles this automatically.
Forza Horizon 5, developed by Playground Games and published by Xbox Game Studios, is an open-world racing game set in a vibrant, fictional representation of Mexico. The game was released on November 5, 2021, for Xbox Series X/S, Xbox One, and Microsoft Windows.