Thank you dalchina. Try as I might, I was unable to set the active window title bar to one colour with all inactive window title bars to a different colour. Probably me not being able to work out...

Thank you @dalchina for your clear reply. Should have said, I have also tried SMACC - still no luck.

From Winaero Tweaker :
352169

The WT guide page shows
352170

but Personalization >...

Win 10 Pro 21H1, 19043.1348

I have tried the Aerolite.theme (thank you @Brink) and also the tutorial 32118 (ditto), How to Change Color of Inactive Title Bar in Windows 10.

Aerolite.theme...

Thanks Paul Black

Script Two creates one OS partition, using all space other than EFI/MSR/WinRE. I think your reply would be created using so, it seems to me that 'dual boot' be removed from...

Thank you Kari for your excellent tutorial.

But, I'm unclear on Script Two, first line

- is this still for a dual boot disk prep? If it is, I don't understand how, sorry ...