In "Forza Horizon 5", the game crashes when it starts, which is something that many players have encountered, but players are not sure what to do when encountering this kind of thing. In fact, when you click to start the game and it crashes, you only need to use Go into properties and click Run as administrator. More below.
Introduction to solving the problem of crash when starting the game
Enter the game root directory, find ForzaHorizon5.exe, right-click, select Compatibility, and check Run with administrator privileges. Click Apply. Just go back to Steam and start it.