The official system requirements have been revealed for the PC version for Forza Motorsport 7. You may need a good machine to play it.
The PC system requirements were revealed on the Microsoft store. The specs are not as heavy as initially thought, although you might need powerful hardware to play the game at 4K and 60fps.
Minimum
OS: Windows 10
Architecture: x64
Keyboard: Integrated Keyboard
Mouse: Integrated Mouse
DirectX: DirectX 12 API, Hardware Feature Level 11
Memory: 8 GB
Video Memory: 2 GB
Processor: Intel i5-750 2.67 GHz
Graphics: NVIDIA GT 740 or NVIDIA GTX 650 or AMD R7 250X
Recommended
OS: Windows 10
Architecture: x64
Keyboard: Integrated Keyboard
Mouse: Integrated Mouse
DirectX: DirectX 12 API, Hardware Feature Level 11
Memory: 8 GB
Video Memory: 4 GB
Processor: Intel i5 4460 3.2GHz
Graphics: NVIDIA GTX 670 or NVIDIA 1050 Ti
Forza Motorsport 7 will be released on October 3rd, 2017 for Windows 10 PC, Xbox One and Xbox One X.
