
But that's not an issue. Gnome-tweaks has been replaced with Gnome Extensions to manage the extensions but you can still install gnome-tweaks and there is an option there to enable or re-enable the maximize and minimize buttons on Gnome windows. The command to do that, at least for Fedora, is sudo dnf install gnome-tweaks in terminal because the distro is using sudo, the program for Unix-like computer operating systems that enables users to run programs with the security privileges of another user, by default the superuser.
Using Linux distributions you will get used to type many commands in therminal, that's not an issue and it will only make your life easier and your Operating System more customized to your needs, more specific to you that Windows or macOS will ever be (most probably ever be). And installing more and more Linux distros in virtual machines or on other PCs will make in time fun if you note somewhere the most used commands for that. Consider this article such kind of note.