Take out your instant pot and put a steamer basket or trivet

Add water to your instant pot

Add snow crabs

Put the lid on and turn it to sealing.

Put on manual for 3 minutes

After the Instant pot finishes cooking and beeps, let it sit for 5 more minutes. Then do a quick release (there will be steam)

Place on a plate, add lemon juice and then serve with melted butter.