1. Open the door, so that not only the inner but also the outer door handle can be operated at the same time. Locate the 2 screws on the inside door handle cover, these screws together hold the inside and outside door handles.
2. Use a Phillips screwdriver to turn the two screws counterclockwise, and pull the inner door handle away from the door and pull the outer door handle away from the door.
3. Use a Phillips head screwdriver to remove 2 screws from the outer edge of the fixed latch door.
4. Insert the inner door handle of the door, use 2 fixing screws from the inner side of the door, follow the hole on the cover plate, turn the screw line clockwise to the outer door pull glove, tighten the screw, and finally tighten it with a Phillips screwdriver.
5. Around the curved side of the door frame on the inside of the door frame, fix the impact plate and the screws that come with the kit.