I found Control Panel when a back arrow appeared deep in 'settings' that said "<- Control Panel"! Very strange.

In fact, it turns out that I just have to RIGHT-click on the Windows motif...

None of the above three options work on my PC (updated to Windows 10 a week ago). 'Control panel', 'system icons', etc. do not appear under 'This PC' (or anywhere else, as far as I can tell) - is...