com.unity.perception/com.unity.perception/Documentation~/SetupSteps.md

Installing the Perception package in your project

You can also set up a new or existing project to use Perception. The following instructions reference the Unity doc's page on installing a local package

1. Clone the Perception repository
2. Install the latest 2019.3 Unity Editor
3. Create a new HDRP or URP project, or open an existing project
4. Open Window -> Package Manager
   1. In the Package Manager window find and click the + button in the upper lefthand corner of the window
   2. Select the add package from disk option
   3. Navigate to the com.unity.perception folder in your cloned repository and select the package.json file

Once completed you can continue with the getting started steps.