@ECHO OFF
SET /P network=Press y to share your connection and n to stop sharing
IF %network%==y GOTO :share
IF %network%==n GOTO :stop
GOTO :end
:share
netsh wlan set hostednetwork mode=allow ssid=CA key=abcdefgh
netsh wlan start hostednetwork
GOTO :end
:stop
netsh wlan stop hostednetwork
:end