Just open the door and take off the clamp that holds the front of the seal on.
Then unlip the seal of the front of the machine.
Then take off the top and look down the front of the machine.
Look at the seal. If the clamp that holds it on has a screw undo the screw clamp.
If its a spring clamp then just pull the seal off from the drum.
Then get new seal and lip it onto the drum.
Then fit the clamp
Then lip back onto the front of washer and fit the smaller clamp.
Then thats it.
Click below for the seal. You can order online for it.