The navigation bar on the left hand side will show a link to Video Manager. The Video Manager is your one-stop location to add or remove videos, copy their embedding code, or their playable URLs.
The Add Videos bar looks like this:
You can add public YouTube videos, or videos hosted on an external URL, or videos from linked Kaltura, JW Player, or Zoom account.
You can add a YouTube video by simply entering the YouTube URL.
The added video shows will get listed in your Video Manager.
You can import videos from any integrated account, by selecting them from the popup dialog box. To know more about integrations, read on!