On Upgrading from Office 2013 to Office 2016 ( Must be 32 bit ) the following error displayed
You need to download this script and run from a Command Prompt which has been run as administrator
If you get an error about not being able to read the Key : HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin
It means the User or CMD window does not have enough permissions