sell big files

[TehranShop]

Hi

can anyone help me, how to sell big files in prestashop 1.7.x.x from a vps server

1- the customer must be register and login

2- pay individually for some products

3- after the payment agreed, can download in a download page

4- every file for sell

5- pay for one or some products

6- the customer or guest can't be see the URL of file main file in the VPS server

 

thanks