1. Turn off the power.

2. Remove the old fixture: Unscrew or detach the old vanity light fixture from the wall or ceiling.

3. Mount the mounting bracket.

4. Connect the wires.

5. Secure the light fixture: Attach the vanity light to the mounting bracket or directly to the wall/ceiling, depending on the design.

6. Turn on the power.

7. Final adjustments: Adjust the vanity light's position if needed to ensure even illumination. Tighten any screws or fasteners, and make sure the fixture is securely in place.