If you want to drip feed modules into your course overtime then it's easy with Member App.
First login to Member App. Then navigate to the course where the lesson is located that you want to upload a video into. The fastest way to do that is to visit your Memberships Dashboard located here.
Then select the course you want to edit.
Click 'Edit Course' to start editing course contents.
Once you've done that you'll arrive at the course creation page which looks like this:
Navigate to the module you want to drip feed and select the calendar icon.
Type in the amount of days a student will receive the module into their account after they've signed up:
Then click away or click enter to confirm. Now when a student enrolls in your course they will receive the module automatically after the amount of days you've typed into the calendar area of that module.