Using this Deltana surface bolt is easy. First, decide where you want to mount it on the inside of your door. Make sure to measure carefully to ensure a proper fit. Once you've found the right spot, use the provided screws to attach the bolt to the door. To lock it, simply slide the bolt into the matching strike. When it comes to maintenance, wipe it down regularly with a soft, dry cloth to keep it looking great. Avoid using harsh chemicals or abrasive materials as they can damage the finish. If you notice any loose parts, tighten the screws carefully. And remember, this bolt is designed for indoor use only, so don't install it outside. Enjoy the added security and style it brings to your space!