How can I add YouTube videos to help windows?
Create help using the URL for the YouTube video.
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            Find the video in YouTube. 
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            Click Share. 
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            Click Embed. 
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            Copy the URL within the embed code, for example https://www.youtube.com/embed/<unique ID>.Note:Make sure that your copied URL starts with https.
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            Open the help window and click Manage Help Content. 
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            Click Create. 
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            Select URL as the help type. 
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            Paste your copied URL in the URL field. 
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            Enter other information, and click Save and Close.