In order to play The Black Heart on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows 7 and later
Processor (CPU):
1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
Memory (RAM):
1 GB RAM
Graphics Card:
DirectX 9 graphics device with WDDM 1.0 or higher driver
Storage:
1 GB available space