This tutorial will help ypu installing software required to develop desktop Ubuntu applications with C++ language and GTKmm library version 4. You might want to do so following examples of the excellent programs created with GTKmm like Ardour, Inkscape, GParted, Rawtherapee and even VisualBoyAdvance. This is an alternative to programming with C/GTK as we published back in 2018. We will show you how to prepare the tools, write your first program, compile it and repeat it.

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Continuing the GTK3 setup, now I present a simple guide to setup GTK4 software development tools with screenshots included the instructions for Fedora and openSUSE operating systems. With this, you can start making desktop applications in C language with the latest version of this infamous widget toolkit that built GNOME. I selected Geany as the code writing tool here. Now rest easy and happy hacking!

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