By following these steps, you should be able to successfully download, install, and use the Hydraflow Express extension for AutoCAD Civil 3D.
: While it can run as a standalone window, Civil 3D must be running to start the extension. Are you experiencing a specific error message when trying to launch the extension, or is the button from your ribbon? Where to download Civil 3D extensions - Autodesk By following these steps, you should be able
