You can insert a new embed by selecting the 

Embed” module from the menu and clicking on “new embed” starting from the videos previously loaded.

The first step is to select the video from which the embed will be generated.

From the «General» tab, you can modify the video data (title, description, etc.).

Once the embed is generated, just copy the embed code of the player indicated in the «classic mode» or «iframe mode» fields, by pasting the code within its own HTML page it will be possible to view the video per the selected player settings..