> For the complete documentation index, see [llms.txt](https://docs.bimformative.com/civilconnection/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bimformative.com/civilconnection/introduction/installation.md).

# Installation

## Requirements

Before installing CivilConnection, ensure that:

* Autodesk Revit is installed
* Autodesk Civil 3D is installed
* Dynamo is available
* CivilPython is installed

## Install CivilConnection

### Dynamo Package Manager

1. Open Dynamo.
2. Open Package Manager.
3. Search for "CivilConnection".
4. Install the latest verison 

### Manual Installation

Download the package from BIMformative or GitHub Releases and copy the package folder into your Dynamo packages directory.

Or install in Dynamo using below steps:

1. On File Menu, select Import Library
2. Open CivilConnection\<Revit Version>.dll from saved location.
3. Restart Dynamo.

## Verify Installation

Open Dynamo and saerch for:

* CivilApplication
* CivilDocument
* Alignment
* CivilSurface
* Corridor

If these nodes appear, installation is successful.

## Connecting Civil 3D

1. Open Civil 3D.
2. Open a Civil 3D drawing.
3. Open Revit.
4. Start Dynamo.
5. Place the CivilApplication node.

CivilConnection automatically attempts to connect to the Civil 3D instance that bext matched the running Revit version.

If no matching version is found, the active Civil 3D session will be used.