A:Answer Kano #1: Upgraded with preview version before Oct 5 official release, and it did work, but some device functions did not have drivers with Windows 11, i.e. audio, 'proximity" (screen rotation? that is not available in Win 10 on the Kano; just manual rotation, and back, between portrait and landscape), and general ACPI stuff. Once I copied over device drivers from Kano #2 still on Windows 10, I could force driver updates to be found in the Win 10 drivers I copied over, and that seems to work (audio for sure).
Kano #2: Since official release Oct 5, it keeps getting prompted in Windows Update to "accept" the terms from MS in order to proceed with the Win 11 "upgrade", but I am not letting that happen until I see positive info from Kano and/or MS (or major tech sites?) that all drivers will be functional without the Win 10 driver copying trick I had to use for Kano #1 as described above. Win 11 is just not that compelling for my uses, and Win 10 will be supported for 4 more years.
