Using your Deltana 2-inch Solid Brass Barrel Bolt is a breeze. First, find a spot on the inside of your door where you want to install it. Then, follow the easy installation steps provided with the product. Once it's installed, simply slide the bolt across to lock your door and slide it back to unlock. As for maintenance, you don't need to do much. Just wipe it down with a dry cloth every now and then to keep it looking good. Avoid using harsh chemicals as they might damage the brass finish. Also, make sure to check the bolt regularly to ensure it's still working smoothly. If you notice any issues, you can contact the Deltana customer service for help.