All's well that ends!
But, how did I get there? Going back to window #4 above, I downloaded "Clean Install Windows 10 Directly without having to Upgrade First", printed it, read it thoroughly...

I'm about to go out in an hour or so for the rest of the evening myself--in spite of the heat and may suspend activities then. But I will ask if I have any Q's and you can reply tomorrow. I do have...

8 gb thumb drive--downloading WIN 10 to it now.

Found it. Thanks

What'sa COA sticker and where do I find it?

Thanks for the input. I've saved what I need to from my various Libraries and made a list of what programs I will need to reinstall. So, I'm ready to try a clean install. I like the concept of...

WIN 10 Installation Issues
I have a DELL Inspiron 15, 3542 Series, running Window 7 Home Premium, 64 bit, that I am trying to upgrade to WIN 10. I have a 500 GB HD with 318 GB of free space. I...