At the top of the screen you should see "Order Status/Account" when signed in, click that and there should be several buttons one of which says "Your addresses". Click that and there should be options to edit the address you have saved.

click order status/account click your address click edit make your changes and save

Hi Fred, clock "Order Status/Account" - click "Your Addresses" - click "Edit" on your primary Address field. Change and Save. Also do your Billing Address if that is changing too.

Fred, clock "Order Status/Account" - click "Your Addresses" - click "Edit" on your primary Address field. Change and Save. Also do your Billing Address if that is changing too.

Click order status at the top and then addresses and change your Primary address.