# com.unity.toolchain.win-x86_64-linux-86_64 This package provides a clang toolchain for building linux x86_64 players on a windows x86_64 host. This package is available as a pre-release package, so it is still in the process of becoming stable enough to release. The features and documentation in this package might change before it is ready for release.  ## Installation To install this 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](https://docs.unity3d.com/2021.1/Documentation/Manual/class-PackageManager.html#advanced_preview) in the Unity Editor's Package Manager, and then follow the [installation instructions in the Unity User Manual](https://docs.unity3d.com/Documentation/Manual/upm-ui-install.html).  ### Version 2020.3  To install this package, make sure you [show preview packages](https://docs.unity3d.com/2020.3/Documentation/Manual/class-PackageManager.html#advanced_preview) in the Unity Editor's Package Manager, and then follow the [installation instructions in the Unity User Manual](https://docs.unity3d.com/2020.3/Documentation/Manual/upm-ui-install.html). ### Version 2019.4  To install this package, make sure you [show preview packages](https://docs.unity3d.com/2019.4/Documentation/Manual/upm-ui-list.html#ShowPreview) in the Unity Editor's Package Manager, and then follow the [installation instructions in the Unity User Manual](https://docs.unity3d.com/2019.4/Documentation/Manual/upm-ui-install.html).