To use these posters and prints, simply choose a spot on your wall where you want to display them. You can use regular wall hooks or adhesive strips 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 fade the colors. If they get dirty, you can gently wipe them with a soft, dry cloth. Be careful not to use any harsh chemicals or abrasive materials as they can damage the print.