Before looking for a download, check your specific installation type: Open any Office 2016 application (such as Word or Excel). Look under the Product Information If you see an Update Options button, you are using the Click-to-Run If you only see an button (with no update options), you are using the MSI (Volume License) Spiceworks Community Step 2: Download and Apply the Patches Option A: For Click-to-Run Installations (Most Common)
I can provide the or command-line fixes for your specific situation. ms office 2016 update patch download