dnf install mingw32-gtk3Click to copy
mingw32-gtk3MinGW Windows GTK+ library
mingw64-gtk3MinGW Windows GTK+ library
Installing gtk-builder-tool.exe command is simple. just copy one of the above commands for your operating system and paste it into terminal. This command is available for Fedora operating systems. Once you run the command it will install the latest version of gtk-builder-tool.exe 2023 package in your OS.