How to install OpenXML SDK Productivity Tool 2.5 on Windows 10

Question

I downloaded the OpenXML SDK Productivity Tool 2.5 from Microsoft\'s Website

However when I want to install it, I get told I need to install .NET Framework 4 first and th

Answer 1

The .NET version messages were a red herring.

It turned out to be a privileges issue.

I right clicked on the msi and selected Install as administrator and it installed correctly.