how to upgrade from 5.4 to 5.8

[stevef]

Begin by checking which version you are running.

Please press the three keys CTL ALT and t together to open a terminal window.
In the new terminal window, after the prompt, type

Code:

cat /etc/llver

followed by enter.  The output should look something like this

Code:

yourname > ~ > cat /etc/llver
Linux Lite 5.8
yourname > ~ > 

Tell us what Linux Lite version this reports about your system.
Close the terminal by typing

Code:

exit

followed by enter