I guess I'm good on my other pc until December 2021, so I'll just wait and deal with it then...

https://support.microsoft.com/en-us/help/13853/windows-lifecycle-fact-sheet

I'm not completely nuts - it is a Dell Inspiron 3847 like this: Dell Inspiron 3847 Review | Digital Weekly
and it has not been tested for Version 2004 it seems. I believe what I have is...

Thanks, guess I have dyslexia! Appreciate your correction.

My spouse has a Dell Inspiron 3875, which has not been offered update Version 2004 yet. In checking Dell site, it says - "If your computer model is not listed, Dell is not testing the device, and...