To use these posters and prints, simply choose a spot on your wall where you want to add a touch of mystery. You can use picture hooks or adhesive strips to hang them. Make sure the surface is clean and dry before hanging. As for maintenance, avoid exposing the posters and prints to direct sunlight for long periods as it may fade the colors. If they get dirty, gently wipe them with a soft, dry cloth. That's all there is to it - enjoy your mysterious art!