I mean, you probably don't need to do anything. Just load it up and start shooting.
I usually will spray it down with an aerosol cleaner to get rid of built-up grease/oil. Mind the plastics with things like brake cleaner though. Hornady One-shot (the CLP, not the case lube) is great, flashes away quickly and leaves a nice, barely-there layer of protection over the metalwork. Then a drop of oil on a Q-tip and run it along the slide rails, again very thin film. Then you can shoot it for hundreds of rounds without a problem.