Celeb Glow
general | March 22, 2026

Is KDE 4 still available? Or how to use the look of KDE 4 on Plasma 5?

I know the latest version is KDE Plasma 5, but I really dislike its look and I want to use KDE 4. I found that KDE 3 is available as Trinity DE, being a continuation of the old version.

Is there something similar for KDE 4? The problem is not the software, but especially the look.

I am unable to find how to install KDE 4 on new Ubuntu, or how to use the KDE 4 design on KDE 5.

Can you help me? Thank you!

Using latest version of Ubuntu.

2

1 Answer

Qt4 is EOL and was removed from Ubuntu in 2019 (2015 upstream was announced EOL though Debian & Ubuntu supported it until 15-Mar-2019)

For more details refer .

Qt5 (introduced 19-Dec-2012) replaced Qt4, and naturally KDE4 requires Qt4 so it's EOL/gone.

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