Rinse the rice until the water runs mostly clear
Drain the rice well
Add rice to the pressure cooker
Add water in the correct ratio for the rice type
Add salt or oil if desired
Close the lid and seal the pressure cooker
Cook on high pressure for the appropriate time
Turn off the heat when done
Let the pressure release naturally for a few minutes
Release any remaining pressure carefully
Open the lid
Fluff the rice with a fork
Serve immediately