If you'd like to share computer audio along with your screen in zoom you'll need to be sure to configure this setting.

You may not be able to share computer audio from Netflix or other copy protected sources

Click Share Screen
Select the correct screen you'd like to share from the window that appears
Check the "Share Computer Sound" checkbox that's at the bottom left of the new window that appeared
Click the Share button at the bottom right of the new window that appeared

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