Steps to install the MC Integrator plug-in in Civil3D.
(Related article: BIM and Information Exchange in MiTS)
With Installer (MiTS 3) #
- Grab the correct MCIntegrator depending on the Civil 3D and MiTS version, i.e. MCIntegrator.2025.3.x.x.x zip file should be used with Civil 3D 2025 and MiTS 3.x.x.0.
- Extract the zip file.

- Right-click the MCIntegrator.exe and click on “Run as Administrator”.

- Check I agree to the License terms and conditions, and click “Install”.

- Once the installation is done, click “Finish”.

- Launch Civil 3D and click “Always Load”.

- You will see the integration plugin on the top right.

With Installer (MiTS 2) #
- Grab the correct MCIntegrator depending on the Civil3D version. If you are running Civil3D 2019, then use the MCIntegrator 2019.x.x.x.zip file. ditto for Civil3D 2020.
- Extract the zip file

3. Right-click the MCIntegrator.exe and click on “Run as administrator”

4. Click Next

5. Click Typical.

6. Click Next

7. Click Install

8. Once the installation is done, click on Finish.

9. Launch Civil3D and click Always Load

10. You will see the integration plugin on the top right.

If there is no “MES” tab shown, you can try to load the plugin manually #
- Go to the file location (C:\Users\USER\AppData\Roaming\Autodesk\ApplicationPlugins\MCIntegrator2023.bundle\Contents) and select MES.Civil3DIntegrator.UI.dll.
- Right-click the “MES.Civil3DIntegrator.UI.dll” and click on Properties.

3. Under the General settings, tick the “Unblock” and click Apply and OK.

4. Launch Civil3D and type “netload” at the command line

5. Go to the same file location (file location as in step (1)) and click on “MES.Civil3DIntegrator.UI.dll”. Then, click Open.
6. You will then see the plugin, and if not, try to close and relaunch the Civil3D.
Install the MCIntegrator plugin on Civil3D manually #
- Grab the correct MCIntegrator depending on the Civil3D version. If you are running Civil3D 2019, then use the MCIntegrator 2019.x.x.x.zip file. ditto for Civil3D 2020.
- Unzip the MCIntegrator 2019.x.x.x.zip; it will become a folder like mcintegrator2019.bundle. Copy the whole folder to C:UsersUserAppDataRoamingAutodeskApplicationPlugins folder.

3. And then launch Civil3D 2019. You will see that the plugin can be loaded by Civil3D.
4. If that cannot be loaded, follow the above steps