GNU/LinuxFX Updating System Guide
Hi! The Tutorial shows you Step-by-Step How to Update Packages & System in LinuxFX LTS GNU/Linux Desktop.
And here I explain How to Update/Upgrade LinuxFX easily on Command Line.
But at your choice there is also the possibility to see instead: How to Update/Upgrade System with GUI.
Especially relevant: after if the suited result is Not achieved, you may be also interested about How to Upgrade Kernel on LinuxFX.

1. Terminal QuickStart
How to QuickStart with Command Line on LinuxFX:
Here Console LinuxFX QuickStart GuideLink to Step-by-Step Guide on Getting Started with Command Line in LinuxFXFirst Update the Apt Repo Sources with:
Copysudo apt update
Contents