Button 3 (right click) on a directory to open or close it. Button 3 on a file to plumb it, e.g. to open text or source files. Button 2 (middle click) on any entry to prints its path in the Errors window.
Xplor open a new win or xplor window.
Button 2 to open those windows for the current xplor directory,
2-1 chord to open the selected directory instead.
Get reloads the current window.
All toggles whether xplor displays hidden entries.
Up opens parent of the current directory in the same window.
to open the current working directory, or
to open a specific directory.
go get -u git.sr.ht/~mkhl/xplor