This tutorial will help you using silver, metallic theme "Oxygen" that was popular in the era of KDE 4 on the modern Kubuntu 22.04 "Jammy Jellyfish". In short, we will use Elarun as wallpaper and Oxygen as the rest of the whole themes including application style, colors, icons, Plasma style, and splash screen. All in all, we want to offer the best visual experience we had in the past to new generation of Kubuntu users as well as the long time users themselves especially those who appreciate nostalgia. Finally, we hope you will enjoy this!

As I posted last year, KDE 4 is my favorite. Surprisingly, Kubuntu 20.04 brings the legacy Oxygen theme built-in. Thanks to Gemlog on social media, I discovered it. Now I bring you how I do it.

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I am a KDE user who loved KDE 4 even before it turned its name to "Plasma". The default theme of KDE 4 is called Oxygen, where KDE 5's is Breeze. Got modern Plasma and today the latest version reached 5.15, I had lost my favorite Oxygen theme. Thanks to a Kubuntu Forum post, I find it again. I can turn my Plasma 5 into Oxygen once again. This tutorial explains in step by step how to setup Oxygen desktop theme full with icons set by some manual customization through the System Settings. It's very easy. Enjoy!

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