In order for you to play Cities XXL on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
WINDOWS VISTA/WINDOWS 7/WINDOWS 8
Processor (CPU):
AMD/INTEL DUAL-CORE 2.5 GHZ
Memory (RAM):
3072 MB RAM
Graphics Card:
768 MB 100% DIRECTX 10 AND SHADERS 4.0 COMPATIBLE ATI RADEON HD 5670/NVIDIA GEFORCE GTX 260 OR HIGHER
Storage:
8 GB available space
Sound Card:
DIRECTX COMPATIBLE