How to import 3D models in Godot 4 (a tutorial for beginners)

Hi everybody. This is the second part of the mini-tutorial on creating 3D asteroids or other rocks in Blender and using them in Godot Engine. This time, I will focus on the Godot Engine, namely importing an already finished model into Godot and resolving subsequent issues. If you're interested in the modeling itself, I recommend watching the first part first. Now, let's dive into Godot.