<human>:  How do I install a new door handle?
<bot>: To install a new door handle, you will need a Phillips-head screwdriver, a pair of pliers, the door handle, and a few screws. First, use a Phillips-head screwdriver to remove the screws that hold the old door handle in place. Then, carefully remove the old door handle from the door. Next, attach the new door handle to the door, using the provided screws and a Phillips-head screwdriver. Finally, adjust and tighten the screws, using pliers if necessary.