In order for you to play Rabi-Ribi on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP or above
Processor (CPU):
1.0 Ghz or above
Memory (RAM):
8 GB RAM
Graphics Card:
Any DirectX 9.0 supported card
DirectX:
Version 9.0
Storage:
1 GB available space
In order to play Rabi-Ribi on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows XP or above
Processor (CPU):
2.0 Ghz or above
Memory (RAM):
16 GB RAM
Graphics Card:
Any non-integrated card with DirectX 9.0 support w/ 1280 x 720 or above
DirectX:
Version 9.0
Storage:
1 GB available space