To add video, select the Media content block on the left. You can choose between the following layout options: single video, video with text, video on the left, and video on the right.
You can upload videos from your PC, add from Library, or embed them from Youtube or Vimeo.
It is also possible to add text via the Classic content editor.
Available storage for video upload to the Library
Free - Not available
Starter - 1 Gb
Academy, Enterprise - Unlimited
Check out Video Upload Guidelines for more details on supported file types etc.