This is a linux executable file.
Just click and run it.

If it doesn't work, check the properties.
LiteManager Properties - Permissions - Allow executing file as program

Ubuntu 22.04 capture screen problem.
Open the file
sudo gedit /etc/gdm3/custom.conf
Set value:
WaylandEnable=false
Restart the computer.

Make portable version.
Create a new folder "LiteManager Files" beside to LiteManager, ROMService file.

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Linux support systems.
https://fmxlinux.com/

ControlsDemo test on different Linux systems.
https://bitbucket.org/crossvcl/fmxlinux/issues/130/controlsdemo-test-on-different-linux
https://fmxlinux.com/history.html