The demo can be downloaded
here. It should explain how to play the game when you start playing the game.
Also, posting in topics more than 30 days old is called '"bumping," and it is against the rules. Make sure you check the date of the last post before posting.
spoiler:Note to Astor: I'm not trying to be a mod 
. Let me know if you would prefer I just leave bumping warnings to you. Thanks