Thanks to Mr mta for his reply:
But, I'm still puzzled by what Speccy web page says: "You can view the resulting XML file in any XML viewer, as well as Internet Explorer."
But try as I might, no success with Browsers such as Internet Explorer, Chrome and Fire Fox. So I Googled, for .XML Viewer, and found a free trial downloaded and so named Altova MissionKit Enterprise Edition! **************************
HERE IS WHAT I FOUND OUT:
One of the several ~packages" in that install, seems to be the one called Spy XML. (See C&P info below.) Spy XML Editor, does what Altova claims: It