Install deskmenu by entering the following commands in the terminal:
sudo apt update sudo apt install deskmenu
Description:
A root menu for X11 window managers
DeskMenu is a root menu program which is activated by clicking the root window. It is configured from a .deskmenurc file in your home directory. DeskMenu is useful for window managers which do not provide a menu such as Oroborus.
Version: 1.4.5build1
Section: universe/x11