Nom is a mechanographic game. You need to press the keys shown on the screen in order to defeat the cliche (stick figure) that is attempting to kill you.
P.S.: You are the snake.
1) RUN THE SETUP
2) PRESS INSTALL WHEN PROMPTED TO THE SECURITY WARNING WINDOWS
3) WAIT FOR THE INSTALLATION TO FINISH DOWNLOADING WHATEVER IT NEEDS TO.
4) ENJOY PLAYING !!!!
Congratulations I really enjoyed the game!!