minimum specs

I just ran the check for rF2 updates on my rented Win server and got a message that "Steamcmd is no longer supported on your operating system ". What is the new min OS for Windows Server?

MINIMUM: CPU: 2.4 GHz Intel Core 2 or 2.4 GHz AMD Athlon x2 Memory: 2 GB Video Card: nVidia 8600 GT or ATI/AMD 3850 Video Memory: 256MB Operating System: Microsoft Windows XP, Windows Vista, Windows 7 DirectX: 9.0c Storage: 4 GB Internet connection required. RECOMMENDED: CPU: 3.0 GHz Intel...