Preheat the air fryer to 400°F
Scrub the potato clean and dry it thoroughly
Pierce the potato several times with a fork
Rub the potato with a little oil
Sprinkle with salt if desired
Place the potato in the air fryer basket
Air fry for 35 to 50 minutes, depending on size
Turn the potato halfway through cooking
Check for doneness by inserting a fork or knife
Cook a few minutes longer if needed
Remove from the air fryer
Slice open and fluff the inside with a fork
Add toppings as desired