In order for you to play Merchant of the Skies on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows 7 SP1+
Processor (CPU):
Intel Core 2 Duo
Memory (RAM):
1024 MB RAM
Graphics Card:
shader 3.0 supporting card (i.e. Intel HD Graphics 4000)
DirectX:
Version 9.0a
Storage:
512 MB available space