There are two ways: natural release — turn off the heat and let the pressure fall on its own over 10–30 minutes until the float valve drops — and quick release — move the valve to venting so the steam jets out in a minute or two. Use natural release for meat, beans and foamy foods, quick release to stop delicate foods overcooking, and only open the lid once the float valve has fully dropped.
Method
How
Best for
Natural release
Turn off heat, wait 10–30 min for the valve to drop