In order for you to play Sid Meier's Civilization V on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows® Vista SP2/ Windows® 7
Processor (CPU):
Intel Core 2 Duo 1.8 GHz or AMD Athlon X2 64 2.0 GHz
Memory (RAM):
2GB RAM
Graphics Card:
256 MB ATI HD2600 XT or better, 256 MB nVidia 7900 GS or better, or Core i3 or better integrated graphics
DirectX®:
DirectX® version 9.0c
Hard Drive:
8 GB Free
Sound:
DirectX 9.0c-compatible sound card
Note:
Optimized for the touch-screen Ultrabook™ device
In order to play Sid Meier's Civilization V on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows® Vista SP2/ Windows® 7
Processor (CPU):
1.8 GHz Quad Core CPU
Memory (RAM):
4 GB RAM
Graphics Card:
512 MB ATI 4800 series or better, 512 MB nVidia 9800 series or better
DirectX®:
DirectX® version 11
Hard Drive:
8 GB Free
Sound:
DirectX 9.0c-compatible sound card
Note:
Optimized for the touch-screen Ultrabook™ device