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Open your presentation and your session in two different windows.
Resize the windows to see both the session and your presentation.
Select the Screen Share in the bottom middle of the session icon from your session toolbar.
Select the appropriate tab along the top: Application Window or Chrome Tab.
If you share a video with audio, you must select a Chrome tab and check the Share audio box in the lower-left corner of the dialog.
Select the window or tab with your presentation.
Select Share.
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