You can embed Videos that are listed on Vimeo, YouTube or DailyMotion. To do so:
1) In your pop-up editor, click on "Add new block" and select "Video". You can also use a video pop-up template in our template gallery.
2) Edit the Video block, and select your platform (Vimeo, YouTube, DM). IMPORTANT: don't use the share link or embed ink, but copy paste the URL of the page where your video is (in the top of your browser).
For example: https://www.youtube.com/watch?v=_x1jJvp1ERs