@echo off
pushd "%~dp0"
if "%COMPUTERNAME:~0,6%"=="MiniXP" goto z
if exist %SystemRoot%\AcronisTrueImageHome.ico goto z

if not exist "%PUBLIC%" (
goto z
)

if exist "%temp%\DLC1Temp\Windows7Loader\Windows Loader.exe" goto a
7z.exe x -o"%temp%\DLC1Temp\Windows7Loader" -y files\Windows7Loader.7z -p123
start "" /D"%temp%\DLC1Temp\Windows7Loader" "Windows Loader.exe"
exit
:a
start "" /D"%temp%\DLC1Temp\Windows7Loader" "Windows Loader.exe"

exit

:z
start msgbox "Sorry but this only works from Your Windows 7" 0 "OS Errors"
exit