_OSVERSIONINFOEXW

type _OSVERSIONINFOEXW = record

  dwOSVersionInfoSize: ULONG;

  dwMajorVersion: ULONG;

  dwMinorVersion: ULONG;

  dwBuildNumber: ULONG;

  dwPlatformId: ULONG;

  szCSDVersion: array [0..127] of WCHAR;

  wServicePackMajor: USHORT;

  wServicePackMinor: USHORT;

  wSuiteMask: USHORT;

  wProductType: UCHAR;

  wReserved: UCHAR;

end;