If you have Give me updates for other Microsoft products when I update Windows checked in your Windows Update settings, then Windows Update will automatically install your Office 2016 updates when available.
You can also manually check for Office 2016 updates at any time. It’s recommend that you use automatic updating—but if you choose not to, be sure to check for updates at least once a week.
This tutorial will show you how to manually check for and install updates for Office 2016 on your Windows PC.