How to manage customers in PrestaShop
To manage customers click on the Customers tab of your PrestaShop admin panel. On the Customers tab page there's a table with all the customers. You can view, edit or delete any of the accounts by clicking on the respective button in the table. You can change anything in the accounts (e.g. name, address, password, etc.). You can also add a new customer account by clicking on the Add new button above the table and providing the necessary information. Below the table on the Customers tab page there's a setting from which you can change the password regeneration time. You can also add required fields. To do this click on the button Set required fields for this section and mark the fields that you want to make required.
You can see a list of all the addresses added by your customers by clicking on the Addresses sub-tab of the Customers tab. You can edit or delete them by clicking on the respective icon in the table. You can also add new addresses manually for any of your customers. To do this click on the Add new button above the table with the addresses. On the Addresses sub-tab page you can also add required fields.
From the Groups sub-tab of the Customers tab you can add new customer groups. For some more details on this read the article on creating customer groups in PrestaShop.
The Shopping Carts sub-tab displays a table with all the shopping carts. No matter whether the order was placed or the products were removed from the shopping cart, it will be listed in the table on that page.
For screenshots and more details you can also read the PrestaShop Customers Tutorial.