To install the PayJustNow Marketing App follow the instructions below:

Enter the shop URL.
If the shop name is my-amazing-shop and the URL is my-amazing-shop.myshopify.com than enter only my-amazing-shop below.

It is very important that you are already logged into your shop within this browser (in another tab).
Once you click the button you will be sent to the installation page for this app on your shop.