Open Package Manager (Window>Package Manager) in your Unity project and add
This package will also automatically install gltFast Plugin if it's not already in your project. If there's an issue you can install it manually with package manager: com.unity.cloud.gltfast.
Under Tools you should see Sloyd Plugin
Subscribe to Plus plan. There are several places to do it in the app, here's one of them:
Back in the Unity project, open the Sloyd Tool widget and enter the Client ID and Client Secret. A green light will indicate that authentication succeeded and that you can start using the tool.
Login to or create an account.
Go to scroll down to the API section and press generate API key. Then you will see a client ID and a client secret field like this:
