If you have two displays connected to your computer, you can show the Canvas or Timing pane on the second display.
Choose Window > Show Canvas on Second Display.
The Canvas and Project pane (Layers, Media, and Audio lists) appear on the second display.
Drag the right edge of the Project pane left or right to resize the Canvas and Project pane.
Choose Window > Show Canvas in the Main Window.
Choose Window > Revert to Original Layout.
Choose Window > Show Timing Pane on Second Display.
The Timing pane (Timeline, Audio Timeline, and Keyframe Editor) appear on the second display.
Drag the right edge of the Timeline layers list left or right to resize the Timing pane and layers list.
Note: Use the Show/Hide Timeline button, Show/Hide Audio Timeline button, and Show/Hide Keyframe Editor button in the lower-right corner of the Timing pane to show or hide the Timing pane interface elements.
Choose Window > Show Timing Pane in the Main Window.
Choose Window > Revert to Original Layout.