LittleNavMap windows docker
Download and run Release\MSFS2020 LNM Docker.exe as administrator, start LNM and undock the windows you want.
Right click in the trayicon and open settings to configure.
Double click in the settings window keyboard shortcut field to change it.
It probably contains some bugs with the docker engine, just report it to be fixed.
I will add the source code to the repository soon I clean it.
