You can add a new shipping address to your orders whenever needed. To do this, access the order editing section and select the "Shipping Address" field. A dropdown list will appear with the existing addresses, and at the bottom, you will find the option "Add Address". Click on it:

A pop-up window will appear with fields to complete, allowing you to add the necessary information for the new address. Once you have entered the details, click "Save" to add the new address to the address list. This way, it will always be available for future use.