Windows
OS:XP/Vista/Windows7
Processor:Intel® Pentium® IV 2.4 GHz or AMD 3500+
Memory:2 GB RAM
Graphics:NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required, Minimum resolution of 10248768
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, Requires the base game Crusader Kings II