In this quick yet informational video, Ron Hazelton shows us how to replace an old or malfunctioning door latch in your home. After removing the doorknob itself, use a screwdriver to remove the ring around the base of the knob and then unscrew the backing that is holding the other side of the doorknob in place. Remove the old door latch and then replace it with the new one, putting in first the latch itself and one side of the doorknob. Use the screwdriver to hold this in place and then add the ring and the other side of the doorknob. With this quick tutorial, you should be able to replace those old door latches in your house in less than ten minutes.