If you want to install automatic updates in Microsoft Office Setup, then you need to follow the given procedure.
The process of turning on automatic updates is different for different windows.
For complete application visit www.office.com/setup
How to Turn on Automatic Updates for Microsoft Office in Windows 10?
Open Windows Update by choosing Start > Settings > Update and security.
Choose Advanced options.
Under Choose how updates are installed, choose the options that you want, including checking the Give me updates for Microsoft products when I update Windows box so you can get Office updates for install office
How to Turn on Automatic Updates for Microsoft Office in Windows 8/8.1?
Open Control Panel by pressing the Windows logo key + X to see a list of commands and options, and then click Control Panel.
Choose System and Security.
Choose Windows Update.
Choose Change settings.
select the Give me updates for other Microsoft products when I update Windows box so you can get Office updates.
For more details, visit : office.com/setup.