I am assuming you have a product ready at this stage, here's the thing you need to go through in Clickbank, go to settings and click My Products, then add New product

You can update and save product before you submit ticket to Clickbank team for review. As it would take around 3-5 business days before they come back, so you have to make sure you did everything correctly in order to get approved fast.

Next, let's see what need to be included in your pages.