To use these spooky posters and prints, simply choose a spot on your wall where you want to display them. Clean the wall surface first to make sure the poster or print will stick well. You can use tape or picture hangers depending on your preference. As for maintenance, keep them away from direct sunlight to prevent fading. If they get dusty, you can gently wipe them with a soft, dry cloth. And remember, don't expose them to excessive moisture to avoid damage.