The Office 2016 Deployment Tool allows the administrator to customize and manage Office 2016 Click-to-Run deployments.
This tool will help administrators to manage installations sources, product/language combinations, and deployment configuration options for Office Click-to-Run.
By default, an end user can download the Office 365 pro plus Software (Office 2013 or Office 2016 desktop application) from the https://portal.office.com after validating their credential on tenancy.
If they are assigned relevant license to use the Office 365 Pro plus, they can download it on their desktop , laptop or mobile devices including tablet and smart phones including iOS, Android and Windows phone.
This approach is called "Self-provisioning", But most of organization wants to control and manage this . So IT administrative guys in your organization can create the automated script to download and install the setup on their user machine.
Download Office 2013 Deployment Tool (ODT)
Once you extracted the downloaded file you will see the setup.exe and configuration.xml file in the folder.
IT guys can update this configuration file by adding the relevant XML node with attributes.
To simplify this process, Office Dev team has developed the page where you can select and type the relevant values , upon clicking the save button the XML string will be generated. You can easily copy the XML text into configuration.xml file and then install the setup.exe.
Office 365 Pro plus Configuration XML Editor
(https://officedev.github.io/Office-IT-Pro-Deployment-Scripts/XmlEditor.html)