In order to play The Phantom Fellows on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows 8 or higher
Processor (CPU):
1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
Memory (RAM):
2 GB RAM
Graphics Card:
DirectX 9 graphics device with WDDM 1.0 or higher drive
DirectX:
Version 9.0
Storage:
3 GB available space