If you're looking for PayPal connect module - you're in right place. With this plugin your customers will be able to create an account in your shop with their paypal accounts. They will be able to log in to your shop too. PayPal payment today is the most popular payment method in online shops. This is why it is worth to use PayPal connect module to offer comprehensive solution. To use PayPal modules you have to use clientID and secret that are necessary for online apps based on PayPal Api. Here you can read guide about that: how to create ClientID and secret for PayPal apps. Below you can watch module showcase.