To download the Luminary Vitamins app, click HERE or go to the iOS App Store and search "Luminary Vitamins". Then click the button that says "GET" to start the download. Once downloaded, you can log in using the same email address that you used to place your order.
Then, to enable notifications on the Luminary Vitamins app, go to your Profile, scroll down to application settings, select Notifications, and ensure it is toggled on (it will turn green when toggled on).