In your Unity project editor, select Edit > Project Settings > Package Manager to open the Unity Package Manager Settings.

Under the Scoped Registries tab, add OpenUPM as a scoped registry with the following details:
  • Name: OpenUPM
  • URL: https://package.openupm.com
  • Scope(s): com.google


Then, navigate to Window > Package Manager to open the Unity Package Manager and select My Registries from the drop-down menu.



Install the following packages: