Your setup

The menu bar panel

Undo: go back an arrangement.
Clean: turn on Clean Space .
No peek: turn on No peek .
3D: switch the switcher between a 3D style and the screen map.

The workflows, arrange modes and quick actions behind Findow's menu bar icon.

Click the Findow icon in the menu bar.

Workflows

Click a workflow to switch to it, or press the plus button to save your current setup. See Save a workflow.

Choose Off, Auto or Strip. In Auto, pick a layout. Here you can also pause arranging, or turn the current display off.

Settings, Updates when there's one to install, and Quit.