neowin[.]net/guides/heres-a-low-effort-way-to-switch-to-windows-10-file-explorer-in-windows-11/
And in a maybe interesting *Oops*, all it takes to open the old style File Explorer is using a link in Windows that Microsoft forgot to update when they were turning Win10 into Win11.
To open the Win10 version File Explorer, with the menu bar & such that were dropped for Win11, go to Control Panel in Win11's File Explorer, then in the address bar, click the down arrow right next to the words Control Panel, and click Home.