@echo off
cls
date<c:\sys\enter
echo                          ÿ
time<c:\sys\enter
echo               ÿ
if not exist c:\windows\fun\win.com set prevbld=fun
if not exist c:\windows\develop\win.com set prevbld=develop
if not exist c:\windows\media\win.com set prevbld=media
if not exist c:\windows\testbed\win.com set prevbld=testbed
if not exist c:\windows\skeleton\win.com set prevbld=skeleton
if %prevbld%==fun echo Previous build was Fun
if %prevbld%==develop echo Previous build was Developer
if %prevbld%==media echo Previous build was Media
if %prevbld%==testbed echo Previous build was Test Bed
if %prevbld%==skeleton echo Previous build was Skeleton
echo.
echo.
echo.
echo.
echo                             ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
echo                             º                     º
echo                             º  1. Fun             º
echo                             º  2. Developer       º
echo                             º  3. Media           º
echo                             º  4. Test Bed        º
echo                             º  5. Skeleton        º
echo                             º                     º
echo                             º  0. Previous build  º
echo                             º                     º
echo                             ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ
choice /n /t:0,10 /c:123450
if errorlevel 6 goto end
ren c:\windows\windows %prevbld%
if errorlevel 1 set changeme=fun
if errorlevel 2 set changeme=develop
if errorlevel 3 set changeme=media
if errorlevel 4 set changeme=testbed
if errorlevel 5 set changeme=skeleton
cls
if %changeme%==fun echo Loading Fun build...
if %changeme%==develop echo Loading Developer build...
if %changeme%==media echo Loading Media build...
if %changeme%==testbed echo Loading Test Bed build...
if %changeme%==skeleton echo Loading Skeleton build...
ren c:\windows\%changeme% windows
:end
set changeme=
set prevbld=