Using the Deltana Cabinet Lock is a breeze. First, find the right spot on your cabinet door and frame. Make sure it's level. Then, use the included screws to attach the lock parts securely. When you want to lock the cabinet, simply turn the key. To unlock it, turn the key the other way. As for maintenance, it's easy. Every few months, wipe the lock with a soft, dry cloth to keep it clean. If it seems a bit stiff, you can use a small amount of graphite powder in the keyhole. Just be careful not to over - lubricate. And when installing, ensure the screws are tightened properly but don't over - tighten as it might damage the lock or the cabinet. This way, your Deltana Cabinet Lock will last a long time and keep your cabinets secure.