A family of Microsoft word processing software products for creating web, email, and print documents.
Yes, I see the video.
I also note that you are using 32 bit Office and just testing here on a 32 bit version of Office, I do see the same thing - the add-in is loaded per the Templates and Add-ins dialog, but the ribbon customization does not appear. However, if you uncheck and then re-check the box for the Add-in in the Templates and Add-ins dialog, the ribbon customization does then appear. Note, it is just the ribbon customization that does not appear as the macros in the Add-in are available under Developer>Macros and can be run from that dialog.
If you are using a 64-bit version of Windows, I would recommend that you change to a 64-bit version of Office, which is what the developers now recommend (previously, it was not recommended unless required because you were running very large, very complex Excel workbooks.
I do notice something different about Word when it is started by running VBA code - the actual Office Product is not displayed under File Account>Product Information
But when it is started manually, it displays