Unable to embed a youtube video in my e-course in Captivate 2017

Hi there, I have watched multiple videos on youtube about how to embed a youtube video in a Captivate 2017 project, but have been unsuccessful so far because the video won’t play. I have a Mac, version 10.13.5. Any suggestions on why I’m running into this problem? Thank you! Nina Harvey

Sample elearning lesson plans with Captivate

Where can I find a sample elearning lesson plan with Captivate to get me started? I am new to Adobe Captivate.