The GatherContent connector is an Umbraco module and is delivered as an Umbraco package. The following steps should be completed to install the module:
Download the package for your version from Umbraco Projects.
Navigate to the Developer section
Navigate to the Developer section in the Umbraco left-hand menu.
Select "Install local package"
Select "Install local package" menu item under Packages node. Install package page will appear on the right side, once you click the item. Read the message in the orange box. Your agreement is required to proceed.
Select "Choose File" and then "Load Package"
Pick the package provided by GatherContent by clicking "Choose File" and then click "Load Package".
Select "Install Package"
Click Install Package button to start the installation process. Accept license also needs to be checked off before you can proceed.
When the installation has finished, go to "Users" from left-hand menu, then choose the user you would like to use the module and check GatherContent checkbox for that user. Repeat these steps for every user who will be suing the module.
Once you've installed the package the next step is to configure the integration: