1. In the Manufacturing workspace, click the Utilities tab > Add-Ins drop-down menu > Export Model From Setup.
2. Select any solid bodies you want to export.
3. Select OBJ for Mesh Format.
4. Select the Setup you’d like to use as your origin.
5. Enter a name for your model.
6. Click Ok.
7. Select a folder to save your model to.

Installation:
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.

Uninstallation:
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 Autodesk® Fusion® sessions.
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.