Add the water and lemon juice to the Instant Pot. Add the quartered apples and orange, pressing the fruit down into the liquid. Add the brown sugar, cinnamon sticks, cloves, allspice and nutmeg.
6 cups water, 1/2 lemon, 6-7 apples, 1 orange, 3/4 cup light brown sugar, 2 cinnamon sticks, 1/2 tsp whole cloves, 1/2 tsp whole allspice, 1 whole nutmeg