> > Excuse my ignorance, I have a bit old laptop and I don't know if it would > be better > to have Debian 9 so I can, possibly, load KDE on it, or instead Debian 10 > but having to limit myself to lightweight applications only. > IMHO: it is better to use the latest Debian even on the old laptop unless your laptop is 15 years old.
You can try LXDE: https://wiki.debian.org/LXDE It is very lightweight:) "tasksel" (tool that runs when you install Debian) asks you which DE to enable. You can choose LXDE there. I run it on my 2011 laptop (sandy bridge) and it works very well.
