Place the metal trivet at the bottom of your Instant Pot and add 1 1/2 cups water.
Cover the springform pan with the uncooked cheesecake with aluminum foil and carefully place the springform pan with the cheesecake on the trivet.
Place the Instant Pot cover on and set to the pressure release valve to Sealing position.
Set to Manual and High pressure.
Set timer for 40 minutes.
When finished, shift the valve to release pressure and wait til all of the pressure is released - about 20 minutes.
Carefully open your Instant Pot and remove the cheesecake.
Place it on a cooling rack and remove the foil.
Let cool for 1 hour and then transfer to fridge for at least 6 hours until set.