With an object selected, choose Appearance > Material Properties (or press Ctrl+M) to change its material properties. The Material Properties window appears.
The Material Properties window contains some or all of the following types of properties. (Click on the links for more information.)
If you edit the Material Properties of a Decal material, it will have all of the above properties as well as a Decal property. For more information, see Change the appearance of decals.
Material editing display settings
At the top of the Material Properties window is the name of the current material, and below it are two display settings checkboxes.