Оформил: DeeCo
Автор: http://www.swissdelphicenter.ch

function GetVersion: string;
 var
   VerInfoSize: DWORD;
   VerInfo: Pointer;
   VerValueSize: DWORD;
   VerValue: PVSFixedFileInfo;
   Dummy: DWORD;
 begin
   VerInfoSize := GetFileVersionInfoSize(PChar(ParamStr(0)), Dummy);
   GetMem(VerInfo, VerInfoSize);
   GetFileVersionInfo(PChar(ParamStr(0)), 0, VerInfoSize, VerInfo);
   VerQueryValue(VerInfo, '\', Pointer(VerValue), VerValueSize);
   with VerValue^ do
   begin
     Result := IntToStr(dwFileVersionMS shr 16);
     Result := Result + '.' + IntToStr(dwFileVersionMS and $FFFF);
     Result := Result + '.' + IntToStr(dwFileVersionLS shr 16);
     Result := Result + '.' + IntToStr(dwFileVersionLS and $FFFF);
   end;
   FreeMem(VerInfo, VerInfoSize);
 end;

 procedure Form1.Button1Click(Sender: TObject);
 begin
   label1.Caption := GetVersion;
 end;