1st Step : Create your video offer.
In "VOD" > "Library" > Click on "Add" at the right bottom corner.
Fill in the form :
Add an image
Write the name, category, level and teacher
Define the credits needed to watch the video (put "0" to authorize an unlimited access)
Add a description to the video
Click on "Save".
2nd Step : Upload the Vimeo link.
Click on "Draft".
Select "Vimeo" > "Save"
Insert the link to Vimeo > Choose the duration of the video > "Save".
Your clients have now see the videos from Vimeo.
If you need more info on the VOD section, see this article !