To use these 'Captain of the Knights' posters and prints, simply find a nice spot on your wall, like in your living room or bedroom. Clean the wall surface first to ensure good adhesion if you're using tape or adhesive. When hanging, make sure it's level. For maintenance, avoid direct sunlight to prevent fading. You can gently dust the prints with a soft cloth. Don't use any harsh chemicals or abrasive materials on them as it might damage the print.