Open the washer door to access the hinge screws. Any position past 90 degrees is usually acceptable.
Turn the screws clockwise to tighten the hinges to the front of the appliance and raise the sagging door.
Open and close the door a few times to confirm the latch is able to engage.
Open the door and tighten the screws visible on the inside of the door. You might notice a rattling sound if the bolts holding the inner and outer parts of the door are loose.