Ok, thranks, well i will make a question, i have this in my PC: AMD Phenom 9750 (QuadCore) 2GB Ram 320GB Hard Disk And the Operative Sistem it's Windows Vista Home Premium, i use the PC for Games, and i need a Operative System that have a good administration of ram, etc. I have listen that Windows 2008 Server its better than vista, is that true? It Have DirectX10? Im asking that because I have a some problems with Vista...