Where is Video Library

Question:
I am using the free plan. When I click on “Video Library” as described on this support page(Wix Video: Adding and Setting Up Wix Video | Help Center | Wix.com), it just says “ Page not found Sorry, we can’t find the page you’re looking for.”.
How can I use the Video Library?

Product:
Wix Studio Editor

What are you trying to achieve:
I want to register a video in the Video Library.