Installation
To install the com.unity.services.authentication package, refer to the instructions that match your Unity Editor version:
Version 2021.1 and later
To install this package, make sure you enable pre-release packages in the Unity Editor's Package Manager, and then follow the installation instructions in the Unity User Manual.
Version 2020.3
To install this package, make sure you enable pre-release packages in the Unity Editor's Package Manager, and then follow the installation instructions in the Unity User Manual.
Version 2019.4
To install this package, make sure you show preview packages in the Unity Editor's Package Manager, and then follow the installation instructions in the Unity User Manual.