The app will load under DESIGN-> SOLID-> MODIFY-> Multi Targets Cut

Click on the 'Multi Targets Cut' option

Select the 'Target Bodies' and 

Select the 'Tool Bodies'

Check or uncheck Save Tool Bodies

Click on the 'Make the Cuts' button

Install:

The installer that ran when you downloaded this app/plug-in from the Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

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 Fusion.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button.

OR, you can uninstall it from 'Control Panel/Programs and Features (Windows 10/11), just as you would uninstall any other application from your system.