This video from Lowe's will show you how to install a deadbolt lock in just a few easy steps. You can install a deadbolt lock on almost any exterior door, including those made from wood or steel. Deadbolt locks come in several types including the conventional ones requiring a key or the newer ones that have keypads. Whichever type you choose, the principles of installation are the same. This video will show how to a drill in your door and chisel out material in your door jam. Once this is done, installation of the deadbolt lock is easy.