# Installation

Use the [**Package Manager**](https://docs.unity3d.com/Manual/upm-ui.html) to install the **Post Processing** package or to update an installed package to the latest version.

To install the **Post Processing** package:

1. Open the Package Manager in **Window > Package Manager**.
2. In the [Filter for scope](https://docs.unity3d.com/Manual/upm-ui-filter.html) menu, select **All packages**.
3. In the list of packages, select **Post Processing**.
4. In the bottom-right corner of the Package Manager window, select **Install**.

For more information on the Package Manager and installing packages, see the following pages:
* [Unity’s Package Manager](https://docs.unity3d.com/Manual/Packages.html).
* [Adding and removing packages](https://docs.unity3d.com/Manual/upm-ui-actions.html).

## Source code

> **Note**: The best way to install a package is directly from the Unity registry using the Package Manager. The latest source code might contain unsupported or breaking changes.

The source code for the **Post Processing** package is in the following repository:
* [https://github.com/Unity-Technologies/PostProcessing](https://github.com/Unity-Technologies/PostProcessing)