Download ODT
Get the Office Deployment Tool from Microsoft and extract setup.exe to a working folder.
Build configuration XML
Use the AMGABER ODT XML Generator to choose product, architecture, language, channel and excluded applications.
Download installation files
Run setup.exe /download configuration.xml from an elevated terminal when you need an offline or staged source.
Deploy
Run setup.exe /configure configuration.xml and validate activation, update channel and required applications after installation.
Use this as a practical starting point. Follow your organization's policies, licensing requirements and vendor documentation for production changes.