Forza Horizon 4 is among Microsofts late-release successes after it was rolled out on Steam. It is among the most-played PC titles with a concurrent player count of nearly 76K. The game plays and feels much like its successor, Forza Horizon 5, except its set in Britain.
Source: N4G PC Forza Horizon 4 Optimized Settings: Best Graphics Settings for High/Low-end PC