WindowsVersion/de

uses
  Windows, SysUtils, ...;

  ...

{
Beispiele für Windows-Versionsnummern:
5.0 => Windows 2000
5.1 => Windows XP
5.2 => Windows XP64 oder Windows 2003 Server
6.0 => Windows Vista oder Windows 2008 Server
6.1 => Windows 7 oder Windows 2008 Server R2
6.2 => Windows 8 oder Windows Server 2012
6.3 => Windows 8.1 oder Windows Server 2012 RS
}

function funGetWinVer: string;
// Liefert die Versionsnummer von Windows als String
begin
  Result := IntToStr(LOBYTE(LOWORD(GetVersion)));
  Result := Result + '.';
  Result := Result + IntToStr(HIBYTE(LOWORD(GetVersion)));
end;

program EchoWinVersion;
uses sysutils;
begin
  Writeln('Win32Platform    : ', Win32Platform    );
  Writeln('Win32MajorVersion: ', Win32MajorVersion);
  Writeln('Win32MinorVersion: ', Win32MinorVersion);
  Writeln('Win32BuildNumber : ', Win32BuildNumber );
  Writeln('Win32CSDVersion  : ', Win32CSDVersion  );
  readln;
end.

Win32Platform    : 2
Win32MajorVersion: 6
Win32MinorVersion: 1
Win32BuildNumber : 7601
Win32CSDVersion  : Service Pack 1