The answer to 'how to replace outlet installation' is to replace a worn or damaged electrical outlet yourself, which is a relatively straightforward DIY project. First, turn off the power to the outlet at the circuit breaker. Then use a screwdriver to remove the outlet cover plate and the screws holding the outlet in place. Disconnect the wires from the old outlet and connect the new outlet, making sure to match the wire colors. Finally, secure the new outlet and replace the cover plate. Be sure to test the new outlet to ensure it's working properly.
If you're not comfortable working with electrical wiring or are unsure about the process, it's best to hire a licensed electrician to handle the outlet replacement. Improper installation can be a fire hazard, so it's important to ensure the work is done safely and up to code.