1. Go to GtG Add-ins tab, click on the 'Parallel Sections' button present under 'Parallel Sections' panel.
2. Select Walls then press finish.
3. A new windows form appears to fill with all the setting needed and the section type.
4. You may save the settings by pressing the save setting button.
5. Click Ok.

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

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 7/8.1/10) and uninstall as you would any other application from your system.