To display the Content navigators, on the Articles, Pages or Publishing main tab, click the Content tab on the navigator ribbon (bottom of the navigator).
Note
If you can't locate navigator, look at the Navigator topic in the GN4 work area.
To make the Content or Wires/Editorial/Tark navigator your default display on startup, save the workspace now and enable it as "load on startup".
See also
Use Content, Wires or Editorial Navigator