Go to the on-demand tab on the storefront.
Find the video you want to purchase and click on it. You can use filters to find it faster.
Click on the Get access now button.
You will get a list of all the different memberships and packs you can purchase to get access. If the provider has set it up, you can also purchase that single video or rent it.
Select the one you want and click Continue.
Enter your payment method and that's it.