Turn on the Instant Pot and press the sauté button followed by the adjust button. This should set your Instant Pot to a higher sauté setting. Wait 2 to 3 minutes for the pot to heat up.
Add the coconut oil. When it melts, add the popcorn and seasoned salt. Stir to coat the popcorn with oil and salt.
Place the lid on the Instant Pot and continue to cook on sauté mode for 5 minutes, or until the majority of the popping has stopped. Cancel the sauté mode wait about 1 minute until the kernels have completely stopped popping before removing the lid. Serve immediately.