This is the way, for basic IDE features it should be enough.

Treemacs is also useful if you are used to having a left menu to navigate your project files with the mouse like in most IDE

Anything more is about personal preference an customizing your emacs experience.

In this regard, installing a color theme could help you feel at home, for example this one is a dark mode reusing vs code’s colors : https://github.com/ianyepan/vscode-dark-plus-emacs-theme