The app will be available under the UTILITIES->ADDINS dropdown list. 

1. Select the screw, nut, or washer to be added.
2. Select the corresponding standard among them.
3. Select the size to be inserted, for screws, also select the length (Note: Only those sizes and lengths recommended by the standard can be inserted).
4. Select the edge of the circle or arc at the position to be inserted (Note: The object to be selected must belong to a component).
5. Select from the materials you have registered in your recommendations.
6. Select invert if necessary.

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.a