From your 'My Hub' page (please see below)
If you go to the 'Menu' icon in the top right...
then select 'Programs' from the options
Click on 'Create New Program' from the bottom of your screen
Add your Program name
And then start by adding the first week's workouts, nutrition etc through the 'Add New' button under each day
This will then allow you to pick from any workouts, nutrition plans etc you have created
Don't forget to hit the 'Save Changes' button to the bottom once you're done adding all of your weeks!