If the has a fabric softener dispenser at the top of the agitator, remove the fabric softener dispenser.
Pry the cap off of the top of the agitator.
Remove the 7/16" bolt and washer that secures the agitator to the motor shaft.
Grip the bottom of the agitator and pull the entire agitator assembly up and out of the washer.
Tip: If your washer model has a plastic spring retainer with a square hole at the top of the spring retainer, insert a 1/2" socket drive extension into the square hole and rotate the spring retainer counter-clockwise to release and remove the retainer.