Install fvwm by entering the following commands in the terminal:
sudo apt update sudo apt install fvwm
Description:
F(?) Virtual Window Manager
FVWM is a powerful ICCCM2 compliant multiple virtual desktop window manager for the X Window System. FVWM requires relatively little memory. . This 2.6 version includes new features like full support of the EWMH (Extended Window Manager Hints) specification, internationalization, improved window decoration code (no flickering anymore), bi-directional asian text support, FreeType font support (antialiasing), image rendering, Perl based module library, support for PNG images, side titles and much more.
Homepage: http://www.fvwm.org/
Version: 1:2.6.7-3
Section: universe/x11