Windows
OS:Windows XP/Vista/7
Processor: Intel® Pentium® IV 2.4 GHz or AMD 3500+
Memory:2 GB RAM
Graphics:NVIDIA® GeForce 8800 or ATI Radeon® X1900 video card , 512mb graphics memory required, 1024*768 resolution
DirectX®:9.0
Hard Drive:2 GB HD space
Sound:Direct X-compatible sound card
Other Requirements:Broadband Internet connection
Additional:3-button mouse, keyboard and speakers , Internet Connection for multiplayer, Crusader Kings II Base Game