Run the command to HOS_Extract_Contour_OBJECTS_SURFASE.

You can Extract objects Contours from Surfaces.

Select the Surfaces

Check the result.

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. You may need to restart the Autodesk product to activate the app/plug-in. 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,

 click Control Panel > Programs > Programs and Features (Windows 10/11) and uninstall as you would any other application from your system.