In the Wheel Editor ...
>> Saving your changes
1.Click on the File menu.
2.Click on Save.
>> Creating a new Wheel Design
1.Click on the File menu.
2.Click on Save As.
3.Enter a name for the new wheel, and optionally navigate to a different folder.
4.Click on the Save button in the bottom right.
This is how to copy an existing wheel - after changing it first, or without changing it at all - either way you take an existing wheel design and save it as a new wheel design.
>> Deleting a Wheel Design
1.Click on the File menu.
2.Click on Delete.
3.<Optionally navigate to a different folder first>
4.Click on the wheel you want to delete.
5.Click on the Open button in the bottom right.