Q4OS (comes in different desktop variations)
It has a toolbox for changing the desktop so you can try different looks or install full / basic OS with/without office programs e.t.c..
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Sidenote:
I'm using their Q4OS 5 testing version atmo on my new build pc.
It has a lighter KDE desktop and is great.
But probably best to try their stable release version first if you have an old pc.
Baum-Darstellung