In the Yard Editor, select Actions 
Apply Yard Model Changes To Yard.
In the Apply Yard Model Changes To Yard form, click Yes to confirm. N4 applies the changes.
Follow these instructions to apply the placeholder yard model. You must have completed previous steps in sequence.
Before you begin:
Set up a basic N4 topology
Create a placeholder yard model (on page 1)
Create and upload the placeholder image map (on page 1)
Add Bin Name Tables and Bin Names to the placeholder yard model (on page 1)
Set Reference Points (on page 1)
Draw the yard perimeter (on page 1)
Set up blocks (on page 1)
To apply the placeholder yard model to the active yard:
Right-click the placeholder yard, and from the menu that appears, select Open Yard Editor....
In the Yard Editor, select Actions Apply Yard Model Changes To Yard.
In the Apply Yard Model Changes To Yard form, click Yes to confirm. N4 applies the changes.
In the Yard Models view, the Active column displays a dot for the yard.
Next step(s):
Apply your license to N4