With S2 Member (Pro) Plugin Build a WP Membership Login & Registration Process

Hello, In Wordpress we are looking to set up a registration and login process with S2 Member (Pro) Plugin as follows: 1, Login link should have two elements it should be, Register/Login 2, There needs to be an opening page where clients can see both options and click on either Register or Log in. Process: 1, Client registers 2, Selecting their e-mail address as the log in and choose their own password. 3, Receives a confirmation auto responder and takes them to the payment process that relates to their chosen package they want to buy 4, Once payment is made the relevant welcome pack should then be an automatic send along with the Thank you for purchase auto responder. 5, We use PayPal as the initial stage for payment 6, Clients should then be pointed to the log in 7, They log in and they are on a page where they have access to the database, where the files they want to download are linked to Amazon S3 If you are familiar with the S2 Member (Pro) Plugin then please contact us. It's already installed and set up, and this process needs to be added.