List of Known Versions Of Windows.

WindowsVersionCode.c

struct WindowsNTOSInfo
{
    DWORD dwMajorVersion;
    DWORD dwMinorVersion;
    WORD wServicePackMajor;    
    //const TCHAR * pcszOSDisplayName;
};

struct WindowsNTOSInfoEx :WindowsNTOSInfo
{
    BYTE ProductType;
};

const WindowsNTOSInfo KnownVersionsOfWindows[] =
{
    { 6, 3, 0,   },//win8.1,server2012 r2
    { 6, 2, 0,   },//win8,server2012

    { 6, 1, 1,  },//win7,win2008r2 sp1
    { 6, 1, 0,  },//win7,win2008r2

    { 5, 1, 3,  },//winxp sp3
    { 5, 1, 2,  },//winxp sp2
    { 5, 1, 1,  },//winxp sp1
    { 5, 1, 0,  },//winxp

    { 6, 0, 2,  },//WinVista,server2008 SP2
    { 6, 0, 1,  },//WinVista,Server2008 Sp1
    { 6, 0, 0,  },//WinVista,Server2008

    { 5, 2, 2,  },//Windows Server 2003 Sp2
    { 5, 2, 1,  },//Windows Server 2003 Sp1
    { 5, 2, 0,  },//Windows Server 2003


    { 5, 1, 4,  }, //Windows Server 2000 Sp4
    { 5, 1, 3,  }, //Windows Server 2000 Sp3
    { 5, 1, 2,  }, //Windows Server 2000 Sp2
    { 5, 1, 2,  }, //Windows Server 2000 Sp1
    { 5, 1, 0,  }, //Windows Server 2000
};

const size_t n_KnownVersionofWindows = sizeof(KnownVersionsOfWindows) / sizeof(WindowsNTOSInfo);