Take your time upgrading.
As I've been using it more, I've discovered a few more annoyances similar to those you describe. The options and menus are all different, even when I right-click.
I wish Microsoft would ease me into it with like one or two changes per week or startup.
I find doing the backups to be quick, but I've been following the same procedure for years, so I'm well organized. Sometimes I forget to do it every month, and that was the case this time.
There is probably a setting somewhere to "show all right-click menu items: somewhere. I haven't gone digging yet. Our self-check kiosk is still on Windows 10 because that software apparently does not play nice with Windows 11.