To add the video, follow the steps below:

1. Follow the steps in the Video Element article to add a video to your page.
2. Configure the settings like shown below:
Content
Video Type – Set this to Youtube.
Link – Add the link of Youtube video.
Frame this video in Device Mockup – Enable this option in the Device Mockup Frame tab.
Device Type – Set it to Laptop.
3. Configure the rest of the settings as you desire and publish or update the page.