Download and Install

The following section takes you through the download and installation process for the Gas HCA Tool. To proceed with this installation, you must currently have ArcGIS Pro and ArcGIS Desktop installed on your system. To obtain EsriArcGIS Pro and ArcGIS Desktop products, visit the respective Esri websites 


To get started with the Gas HCA download, please visit the Gas HCA Tool package ready for download link by clicking here.  


The Gas HCA Tool is installed using your Windows Installer from a Windows Installer package (.msi) file; installation of the Gas HCA Tool is straightforward if you have previously installed software applications on your Windows machine. The Gas HCA Tool installer writes files to various Windows system directories, including:

      • Program files
      • Python directory for ArcGIS Desktop 
      • Python directory for ArcGIS Pro 

The Gas HCA Tool installer requires you to have read and write access to these directories at runtime.  

Instructions for installing the Gas HCA Tool are provided using Windows 10 Pro.  

  1. To begin downloading the Gas HCA Tool installation process, double-click on the Gas HCA Tool setup program (GasHCA_1.x._Setup.msi) to open the Gas HCA Tool Setup Wizard. Press ‘Next’ to continue with installation.
  2. You must review the license agreement and click the I agree radio button. Then, select the Next button to continue with the installation. Otherwise, select the Cancel button to end the installation.  
  3. Next, select your desired installation directory by clicking on the ‘Browse’ button and navigating to the destination path. If no selection is made, the tool will install in the Windows Program Files directoryC:\Program Files\G2-IS\Gas HCAClick on the ‘Next’ button to continue the installation. 
  4. The ‘Confirm Installation’ window appears, and you must select ‘Next’ to continue the installation; otherwise, select ‘Cancel’ to exit the installation and ‘back’ to view the previous screen.  


  1. In a typical Widows setting download environment procedure, the system will prompt you with a message indicating changes for which the downloader requires access to system files. You must grant access for the installer to continue the install. After doing so, the installer will show a progress bar for your installation. At any time during this process, you can select the ‘Cancel’ button to end and exit out of the installation.
  2. The command prompt window installs your dependent Python packages for the Gas HCA Tool. If this window does not exit prior to seeing the ‘Installation Complete’ window in Step 7, do not exit this window. The command prompt will run its cycle and close the window when all packages have been successfully installed.
  3. Lastly, the installer will display an ‘Installation Complete’ window. This window confirms the successful installation of the Gas HCA Tool. Select the ‘Close’ button to exit out of the installer window alone. If the Step 6 command prompt window is still running, do not exit out of this window. Simply let it run the installation process. The window will exit after successful completion of installation.


Instructions for uninstalling the Gas HCA Tool are provided using Windows 10 Pro operating system.  

It is advised that all ArcGIS applications be closed prior to the uninstalling the Gas HCA Tool. 

To uninstall the Gas HCA Tool: 

1. Open the Programs and Features window in the Windows Control Panel. 

2. Type in ‘Gas HCA’ and select the Gas HCA application.  

3. Click ‘Uninstall’ to begin uninstalling the Gas HCA Tool 

4. The installer will show an uninstall progress screen window. Click ‘Cancel’ if you wish to stop the uninstall. Otherwise, do nothing and wait for the uninstaller to remove the Gas HCA Tool.  


Uninstall Help:

If you are still seeing the Gas HCA Tool in your program fiels after the uninstallation process is complete, navigate to the link below for further assistance and support from Microsoft.  


  1. Click on the link provided above.
  2. Navigate to and select the ‘Download’ button. Once the download is complete, open the file.
  3. The Program Install and Uninstall troubleshooter window will appear. Select ‘Next’ to continue. Otherwise, select ‘Cancel’ to exit.
  4. Next, Select the ‘Uninstalling’ option.


  1. After the troubleshooter finishes, a search window will appear that prompts you to ‘Select the program you want to uninstall.’ Use the scroll bar to find and select ‘Gas HCA Tool’. Then, select ‘Next’ to uninstall and finish the uninstallation process. 

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