So, we have a few more steps and then we can see these changes in action.
Select the skee object and change its Transform to X: 0, Y: -1.25, and Z: 3, as follows:
Select your AppManager object and click on the gear symbol next to the WorldAnchorManager and click on Remove Component:
In the Hierarchy view, Click on Create and select Create Empty; name the object Managers.
Select the Managers object. In the Inspector, click on Add Component, type worl in the search box, and select World Anchor Manager:
Now, it is time ...