Upon running the command, select a Civil 3D surface by pick or dialog. When prompted, input a scale value.

Any value greater than 0 will work. Any value under 1 will scale down from the current size, and scale greater than 1 will scale up from the currect size. A 1 will result in no change.

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/plug-in. 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 7/8.1/10/11) and uninstall as you would any other application from your system.