boxed version of the Imperial Edition will contain the game itself, as well as a wall chart that shows the real story behind the most famous French general Napoleon Bonaparte. Both the boxed version of the Imperial Edition, a downloadable (through Steam) will also have a special unlock code that will add 10 exclusive units under Heroes bundle Napoleonic wars. System requirements: - Operating system: Windows ® XP / Windows Vista / Windows 7 - Processor: Intel Dual-Core processor with a clock frequency of 2 GHz or higher / equivalent AMD; - RAM: 2 GB (XP) / 3 GB (Vista / Windows 7) - Sound system: compatible with DirectX - Free space on your hard disk: 22 GB - Video: Video card with 512 MB VRAM compatible with DirectX 9.0c, with support for Shader Model 2b. - For multi-player game requires Internet access and free registration on Steam.