After a bit of research, I discovered that "Plasma" is the "KDE Desktop" I was looking for, and there are these 16 choices. By running #16, "XWin Server" there is an additional X icon with a green interion in the "hidden icons" list, which has an extensive menu of X programs to run.
1 Fluxbox 2 FVWM 3 GNOME Flashback (Metacity) 4 GNOME-Openbox 5 KDE-Openbox 6 LXDE 7 LXQt Desktop 8 MATE 9 Openbox 10 Plasma 11 User script 12 WindowMaker 13 Xfce Session 14 XLaunch 15 XtoW 16 XWin Server Thanks to the Cygwin team for all of their hard work this past year on making Cygwin even better! Happy Holidays! -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple