unity官方本地化 ​

https://docs.unity3d.com/Packages/com.unity.localization@1.5/manual/Installation.html

Installation guide ​

This package is currently visible in the Package Manager in 2021.2 and above. To install this package, follow the instructions in the Package Manager documentation.

To install the package in a version before 2021.2, type in com.unity.localization under “Add package from git URL” in the Package Manager.

Further information can be found on the forum here

Requirements ​

This Localization package version is compatible with the following versions of the Unity Editor:

2019.4 and later (recommended)