Start a new project then, and make sure you’ve selected “3D” under Template. (Unity used to be referred to as Unity 3D, but these days it is just as popular for 2D development.) ...

Don’t worry, it’s pretty easy at this point. First, create a new folder in Assets and call it ‘Scripts’. Now in this directory, right click and select ‘Create > C# Script’.

Learn to create 3D worlds with Unity “Professional developers are using Unity to create well-known games such as Mario Kart Tour and Pokémon Mystery Dungeon: Rescue Team DX.