Where in the Unity editor will you find the Skinning Editor?

The Skinning Editor is integrated into the Sprite Editor as an add-on, allowing artists to efficiently work with 2D sprites that require complex character animations. By utilizing the Skinning Editor within the Sprite Editor, users can create skeletal animations by defining bones and attaching sprites to those bones, making it easier to animate characters without manually keyframing every movement.

The other choices do not provide the correct location of the Skinning Editor: it is not located within the Animation tab, as that focuses on asset animation rather than specific sprite manipulation; it is not found in the Project settings, which deal with overall project configurations and import settings; and it is not located in the Main Menu, as that only gives access to various tools and functions of the Unity editor, but does not specifically highlight the Skinning Editor. Thus, the best answer is that the Skinning Editor is available as an add-on for the Sprite Editor.