How do you change GE smartwater filter gxwh20f?

To change the GE SmartWater filter GXWH20F, first, turn off the water supply to the filter system. Next, twist the old filter counterclockwise to remove it from the filter head. Take the new filter, remove any protective caps, and insert it into the filter head, twisting it clockwise until it's secure. Finally, turn the water supply back on and check for leaks.