Allowing Content from unknown sources
Some developers may release content that doesn’t appear in the Oculus Store. This content isn’t reviewed by Oculus for the following:
While we don’t review this content, you can still run it on your Oculus Rift S or Rift if the developers allow it.
To allow content from unknown sources:
Open the Oculus app on your PC computer.
Select Settings in the left menu.
Select the General tab.
Next to Unknown Sources, adjust the toggle and then confirm to allow content from unknown sources.