Once you've created a Collection (To see the previous video where we create a collection, click here), click on the Collection > scroll to Upload new video > title it > tag it if needed (tags are used as dropdown filters for the customers. Example: Yin Yoga vs Vinyasa > upload video in MP4 format > add a thumbnail > Save.
Pro tip: make sure your thumbnails are all the same dimensions for a cleaner looking video page. See video below for examples.