In order for you to play Onikira - Demon Killer on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows Vista SP2/ Windows 7
Processor (CPU):
Intel Core 2 Duo 1.8GHz or AMD Athlon X2 64 2GHz
Memory (RAM):
2 GB RAM
Graphics Card:
256 MB ATI HD3650, 256 MB nVidia 8800 GT, or Intel HD 3000 integrated graphics
DirectX:
Version 9.0c
Storage:
2 GB available space
Sound Card:
DirectX 9.0c-compatible sound card
In order to play Onikira - Demon Killer on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows Vista SP2/ Windows 7/ Windows 8
Processor (CPU):
1.8 GHz Quad Core
Memory (RAM):
4 GB RAM
Graphics Card:
AMD HD5000 series or better, nVidia GT400 series or better, Intel IvyBridge integrated graphics or better
DirectX:
Version 11
Storage:
4 GB available space
Sound Card:
DirectX 9.0c-compatible sound card