Xfce4 runs fine on both my laptops, needs a couple UI tweaks
Shutdown buttons are greyed out for normal users. Using sudo grants the needed privileges, so start visudo and add the following
username ALL = NOPASSWD: /usr/sbin/xfsm-shutdown-helper
I also suggest to alter the windows buttons and put the windows close button on one side alone. So each time you want to resize a window it gets difficult to close it by chance. That's how original macos worked.