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I know that this is a general linux question but maybe openSUSE does things a bit differently or suggests things differently. I like gnome, but since gnome 42 there are no customizations, except some small tweaks. Although I don't like to customize things, especially not in the way like kde allows you, I still like to change some small things on gnome. But since it doesn't allow it anymore I'll have to check KDE. So, my questions are: can multiple DE's be installed and how does openSUSE support multiple DE's? Maybe it suggests to install just one DE. can DE's completely be replaced, like installing a new one and deleting the old one? Can other DE's be added, ones that aren't in the installation list and will this affect the distro stability? And what is the recommended DE by openSUSE?
Which desktop environment do you recommend? I'm new to openSuse and idk which one is the best, which uses less ram and cpu.
Thanks
If you are looking for least RAM and CPU usage, I'd go with lxde or xfce from the ones easily available during initial install. Both Gnome and KDE are a bit more resource intensive.
Any relatively modern computer should be able to run any of these desktop environments pretty well, while older hardware might have issues with KDE or Gnome.
If you're looking for performances, my suggestion is xfce with Compton as compositing manager.
Here some inspiring tips to pimp xfce up.