If There is a Failure at Office.com to "Install Now"

Seems MS has upgraded some links to point to the MS Store on the Windows device.  This my be part of the UWP initiative.  However the instalallation fails to proceed/


solution:
https://www.office.com/setup

then put in the ProductID/Key shown online for your Office product (not the 'installation' one in the box)

• Note, even if the 'Store" installation would proceed, it is less than optimal to run that way, as it seems the tool and key access, and indeed functionality is different (first link below)
  
  quote: Using the centennial bridge doesn't guarantee 100% compatibility with the non-bridged version, and thus not full versions.

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Possible resources
https://www.thurrott.com/office/150887/office-365-apps-now-available-to-everyone-in-the-windows-10-store concerning the problem

https://www.zdnet.com/article/microsoft-brings-its-core-office-apps-to-the-microsoft-store/

etc