In order for you to play Pandemic Train on Windows with minimal graphics settings, your computer must meet the following requirements
Operating System:
Windows 10
Processor (CPU):
Core i3 3.1 GHz or AMD Phenom II X3 2.8 GHz
Graphics Card:
GeForce GTX 560 1GB (720p Low), GeForce GTX 750 Ti 2GB (1080p Low) or AMD equivalents
DirectX:
Version 10
In order to play Pandemic Train on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Windows 10
Processor (CPU):
Intel Quad Core i7 3770K or AMD Ryzen 5 1600X
Graphics Card:
GeForce GTX 1060 6 GB (1080p High), GeForce GTX 1070 8GB (1080p Extreme) or AMD equivalents
DirectX:
Version 10