diff --git a/win_prepare_build.cmd b/win_prepare_build.cmd
new file mode 100644
index 00000000..05e380f9
--- /dev/null
+++ b/win_prepare_build.cmd
@@ -0,0 +1,24 @@
+@echo off
+echo PokerTH Win mingw prepare build script version 1.0.
+echo Copyright (C) 2010 Lothar May. License: GPL 2 or later
+echo BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+echo FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
+echo.
+
+SET PKTH_OldDir=%CD%
+SET PKTH_BaseDir=%1
+if exist %PKTH_BaseDir%\mingw64\bin\mingw32-make.exe goto mingw64
+SET PATH=%PKTH_BaseDir%\qt\bin;%PKTH_BaseDir%\mingw32\bin;%PATH%
+SET PKTH_Conf=""
+goto postmingw
+:mingw64
+SET PATH=%PKTH_BaseDir%\qt\bin;%PKTH_BaseDir%\mingw64\bin;%PATH%
+SET PKTH_Conf=pkth_win64
+:postmingw
+SET QMAKESPEC=win32-g++
+SET QTDIR=%PKTH_BaseDir%\qt
+
+if exist Makefile. (
+mingw32-make distclean
+)
+qmake -spec win32-g++ "CONFIG+=release %PKTH_Conf%" DEFINES+=BOOST_USE_WINDOWS_H pokerth.pro