You can dock panels together, move panels into or out of a group, and undock a panel so that it floats in a new window above the application window. As you drag a panel, drop zones—areas onto which you can move the panel— become highlighted. The drop zone you choose determines where the panel is inserted, and whether it docks or groups with other panels.
Docking zones exist along the edges of a panel, group, or window. Docking a panel places it adjacent to the existing group, resizing all groups to accommodate the new panel.

Grouping zones exist in the middle of a panel or group, and along the tab area of panels. Grouping a panel stacks it with other panels.

Dock or group panels
Undock a panel in a floating windowWhen you undock a panel in a floating window, you can add panels to the window or otherwise modify it, as you do the application window. You can use floating windows to make use of a secondary monitor, or to create a workspace like those in earlier versions of Adobe applications.
Select the panel you want to undock (if it’s not
visible, choose it from the Window menu), and then do one of the
following:Choose Undock Panel or Undock Frame from the panel menu. Undock Frame undocks the panel group.
Hold down Ctrl (Windows®) or Command (Mac OS®), and drag the panel or group from its current location. When you release the mouse button, the panel or group appears in a new floating window.
Drag the panel or group outside the application window. (If the application window is maximized, drag the panel to the Windows task bar.)
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