Thank you CATIII-NDB; interesting if I got it right; you don't recommend W10 because the updates will always be troublesome. Are we sure that MS is unable to remove bugs from its software because it's so complex? I'm not so ready to forgive; who created the monster in the first place?
I was stuck with W10 when I bought an ASUS laptop with that installed. I have and will have for the foreseeable future W7 on my main work machine, in which I have just had every component except the HDDs replaced with newer and better hardware (M'board, PSU, cards, processor etc.) But I, a simpleton, was advised that if the Asus was developed for W10 going back to W7 was not an option. So I didn't.
All I can do now is not use the laptop between 2200 and 0400 UTC, I think it is. That's the only time the system will do an automatic update on booting up, as set by me. You can't set a shorter period. In my simple way I believe that this defeats the update, but I expect someone will tell me that's nonsense.