this is what I need done Please go through the details described below: 1: Use our static landing page with “Buy now”/download button and when users will click the button they will be redirected to payment page, where they will fill the information and process the payment. After clicking the submit button, they will be redirected to “ thank you” page and where in they can download the product 2: An email will be sent to the customer's email (paypal email address) confirming...