Every panel in InDesign can be dislodged from its current position and can be attached to others or made free-floating. Like the modest set of panels we see when we first install InDesign, panels can be collected into columns of panels called “docks” on the left or the right side of your screen—or screens.
Any such combination can be designated as a workspace. As you master more of the application, your decisions regarding which panels make up each workspace will change.
Choose a More Useful Initial Workspace
For this, it may be best if you have a document open. Create a new document or open a recent one (File > Open Recent…).
At the right end of the Control panel, you’ll find the workspace menu. It will read Essentials ...