How do you work unity 3d?

To work with Unity 3D, first, download and install the Unity Hub, which allows you to manage your projects and installations. Create a new project, choose a template, and enter the Unity Editor, where you can design your scenes using the Scene view and manipulate GameObjects in the Hierarchy. Utilize the Asset Store to import assets, write scripts in C# for game logic, and test your game using the Play mode. Finally, build and deploy your project to your desired platform using the Build Settings.