---HELP--MONKEY ISLAND DEMO!!!!

[Punk N PIe]

I have just started playing THE CURSE OF MONKEY ISLAND DEMO and i have realized that you can't save the game.....
i am very stuck and i need help,
i have the hook on a stick...which has retrieved for me the pirate's arm and the sword,
i also have the book's by le chuck..the helium balloons...the pirate hook...
i used the sword to untie the cannon but when i pull the cannon i die...i also don't know how to get the freyed rope out of the clutter...
can some1 please help me figure out how to get out of this room and what to do next
thank you soooooo much !!!
confused

[Isegrim]

You don't die. That's the only way to exit this room. Unfortunately, the demo IS only this one room...  :

[PunK N PiE]

AWW Crap !!!!!
that was lookin to be a really good game.....
do you know if there is somewhere you can download it for free??
but if im right you probably have to pay for it or something eh?.!

hmmm.