In order for you to play UFO: Aftershock on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP
Processor (CPU):
Intel Pentium® III or AMD® Athlon 1GHz
Memory (RAM):
512 MB RAM
Graphics Card:
nVidia® GeForceTM 5700 or ATI Radeon® 9500
Storage:
4 MB available space
Sound Card:
MS DirectX® 9.0 compatible soundcard
In order to play UFO: Aftershock on Windows with maximum graphics settings, you need a computer with a configuration no worse than the following
OS *:
Windows XP/7/8
Processor (CPU):
Intel Pentium® IV or AMD® Athlon 2GHz
Memory (RAM):
768 MB RAM
Graphics Card:
nVidia® GeForceTM 6600 or ATI Radeon® 9700 Pro
Storage:
5 MB available space
Sound Card:
MS DirectX® 9.0 compatible soundcard