cls
echo off
if exist demo.key goto loaddem
Echo  Unable to find demo.key
goto exit
:loaddem
newkey /16000
if not errorlevel 1 goto not1
Echo  Newkey already loaded, Execution terminated
goto exit
:not1
if not errorlevel 2 goto not2
Echo  Not enough memory to load
goto exit
:not2
newkeysp demo.key/l
Echo    Check to make sure that the previous commands
Echo    have executed successfully.  If not, correct the
Echo    problem and reenter 'demo'.
Echo    ÿ
Echo    Press ALT F1 to start the tour.
:exit