To use these Creepy Xmas posters and prints, simply find a spot on your wall where you want to display them. You can use regular wall hooks or sticky tape to hang them up. 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 cause the colors to fade. If they get dirty, you can gently wipe them with a soft, dry cloth. Keep them away from moisture to prevent any damage. Have fun creating a spooky Christmas atmosphere with these cool decorations!