In order for you to play Tropico 4 on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP SP3 (32-bit), Vista / 7 (32 or 64-bit)
Processor (CPU):
2 GHz Dual Core CPU
Memory (RAM):
1 GB RAM
Graphics Card:
Shader Model 3.0 (Geforce 6600 or higher, Radeon X1600-Series), 256 MB, DirectX 9.0c
DirectX®:
9.0c
Hard Drive:
5 GB free hard disk space
Sound:
DirectX compatible
In order to play Tropico 4 on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows Vista / 7 (32 or 64-bit)
Processor (CPU):
2 GHz Quad Core CPU
Memory (RAM):
2 GB RAM
Graphics Card:
Shader Model 3.0 (Geforce 8800 or higher, Radeon HD4000-Series or higher), 512 MB, DirectX 9.0c
DirectX®:
9.0c
Hard Drive:
5 GB free hard disk space
Sound:
DirectX compatible