Remove thawed turkey from wrapping. Place on cutting board.
Mix spices together in a small bowl. Rub turkey all over with the softened butter. Sprinkle the spices evenly around the turkey.
Add 1 cup of water or broth to the inner pot. Place the turkey on the trivet and lower it down into the pot.
Close and lock the lid, turning the steam release valve to closed. Press "Poultry" and adjust time to 25 minutes (high pressure.) Press Start/Stop. When cooking cycle is done, allow 15 minutes of natural pressure release and then open the valve to remove any remaining steam.
Remove the turkey from the pot and set aside to rest for at least 5 minutes before cutting.
Slice and serve with traditional Thanksgiving sides.
To reheat, place back into pot on trivet. Add a pat of butter to each slice. Set for 3 minutes on Steam (high pressure) and allow 5 minutes of NPR. Remove and check with a meat thermometer to be sure internal temperature is at least 165 degrees. To cook from frozen, add meat and liquid to the pot and set cook time for 50 minutes. Allow a full NPR of at least 15 minutes. Open and check internal temperature. If not at 165 degrees, close and cook for an additional 5-10 minutes as needed.