https://www.techradar.com/news/ladies-and-gentlemen-start-your-engines-forza-horizon-4-demo-available-now

As has become tradition for Microsoft's Forza Horizon series, a demo has arrived for the franchise's latest entry (in this instance, Forza Horizon 4), which gives cirtual racing enthusiasts the opportunity to take the game for a spin weeks before its official release.

The demo, which you can grab now from the Microsoft Store, is 27.8GB in size and can be downloaded on both Windows 10 PCs and Xbox One consoles.