Custom Packages
Another option may be to use assets created by another developer and made available for you to use. Packages contain a collection of assets and GameObjects that you can import into your Project, allowing you to quickly design, test features, or even use the assets as final elements in your game. Just as there are a few ways to import a particular asset into a Project, there are a few ways to import custom packages as well. Drag the package into the Unity Project window, and it will automatically begin unpacking with a prompt asking you which assets you wish to install. You can also use Assets > Import Package > Custom Package from the menu toolbar, or right-click in the Project window.
We are going to use a premade asset package ...
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