In order for you to play The Secret of Monkey Island: Special Edition on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP® or Windows Vista®
Processor (CPU):
Intel Pentium 4 3GHz or AMD Athlon 64 3000+
Memory (RAM):
256 MB RAM, 512 MB for Vista
Graphics Card:
128 MB with Shader Model 2.0 capability
DirectX®:
9.0c (March 2009)
Hard Drive:
2.5GB free hard drive space
Sound:
DirectX® 9.0c compliant sound card
Controller support:
Xbox 360 controller