Synaptic Package Manager

To install, remove, upgrade, or downgrade software on your Xtra-PC, use Synaptic Package Manager. It offers thousands of applications and drivers that you can use and install. To use Synaptic Package Manager, go to the Start menu (the blue X in the lower left corner), then “Local Administration,” then “Synaptic Package Manager.”

Video demonstrating how to open Synaptic Package Manager and using it to install a multiple monitor configuration tool, called Arandr: