Have now gone back to Win8. The laptop now feels much more 'relaxed'.
When in Windows 10, with no apps running, the 'background' CPU usage was around 35%. While running just one program (Easeus...

My three or four year old Laptop has been running Win8.1 (plus Classic Shell) for ages. It has been a wee bit slow but otherwise fine. My desktop is on Win 7 and will remain so!

Probably against...