I purchased Ultimate several months ago. I am very happy with it. However, the machine on which I’ve installed it is an older machine. I have questionable performance, especially when using a browser. I would like to change my DE from GNOME to Xfce. A few months back, “AZorin” responded to a similar forum post and recommended that, to get Xfce, one’s best option is to do a full OS reinstall with Ultimate Lite. I loath this idea. I’m deep into Ultimate and a full OS reinstall will require a lot of reinstallations, configurations, and application and library rebuilding. It seems somewhat antithetical (to the UN*X/Linux philosophy) that one cannot pick and choose a desktop environment.
Is there any way that I can install Xfce without compromising Zorin’s stability, as noted in the post by “AZorin” … ?

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