IMPORTANT: turn off the circuit breaker for this line! Check for voltage with a tester.
•Unscrew the outlet cover.
•Unscrew the mounting screws of the outlet.
•Disconnect the wires (remember/take a photo of the connections).
•Connect the wires to the new outlet.
•Secure the outlet, install the cover.
•Turn the breaker back on, check. If unsure — call an electrician.