In order for you to play Castle of Illusion on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows Vista SP2+
Processor (CPU):
2.8 Ghz Dual Core (minimum)
Memory (RAM):
2 GB RAM
Graphics Card:
ATI 2600/Nvidia 8600 (minimum)
DirectX:
Version 10
Storage:
2 GB available space
In order to play Castle of Illusion on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows 7
Processor (CPU):
2.4 GHz Quad Core (recommended)
Memory (RAM):
4 GB RAM
Graphics Card:
ATI 4850/Nvidia 8800 (recommended)
DirectX:
Version 11
Storage:
2 GB available space