In order for you to play European Ship Simulator on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows Vista/7/8 (All OS must be 64 bit)
Processor (CPU):
Intel i3 2.6 or equivalent
Memory (RAM):
4 GB RAM
Graphics Card:
Dedicated graphics with 1GB VRAM (DX11 compatible - Nvidia Geforce GTX 470/ATI Radeon 6900 series or greater)
DirectX:
Version 11
Storage:
2700 MB available space