Signs of the Infected

You decide to go for the window to your left, it's just big enough for you to fit through. Carefully you move everything that could make noise out of the way of the window. When the window is clear all you have to do is slide it open and climb out. You can see that the sun is just about to peek out over the horizon. At least you are still alive to fight another day.
You slowly slide open the window, hoping that he won't hear. But soon enough you hear footsteps heading towards the stairs.

Do you....