The general use case:

• Create your main body and CAD design however you want. 
• Add your desired inlay design in a Sketch above the body.
• Run the AddIn and select the sketch profiles and target body.
• Modify the generated Components by using Parameters.

Complete detailed documentation on how to use the plugin can be found here: https://www.corbinsworkshop.com/vcarve-inlay-plugin-for-autodesk-fusion-documentation/

Install:

• Download the installer from the Autodesk App Store.
• Right-click on the "Downloads" folder and select "Open in Finder".
• Right-click on the downloaded ".pkg" -> "Open With" -> "Installer".

Uninstall:

• You can unload the add-in without uninstalling it by clicking the "Stop" button when the add-in is selected in the list box on the "Add-Ins" tab of the "Scripts and Add-Ins" dialog.
• Unchecking "Run on Startup" causes the add-in not to be loaded in future sessions of Autodesk® Fusion®.
• Navigate to the ./ApplicationsPlugins folder and select the app bundle you want to uninstall
• Either drag the app bundle to the Trash or right-click and select “Move to Trash”
• Right-click on the Trash Can and select “Empty Trash”
• If you prefer keystrokes, you can also just select the app bundle and then hit Command+Delete to move the app to Trash, then empty the Trash and the app will be removed.