You can allow the option to have customers register an account on your store for easy access to order history, faster checkout and saved shipping carts. If enabled, customer registrations are never required to checkout unless using a custom template implementation that forces login.
How to enable or disable customer registration.
Go to the Settings / General Settings option from the navigation menu. Choose the option above to enable or disable customer registration and click "Save Settings"
Overview of the customer management page
The customer details page allows you easily sort and filter your customer records.
Customer Avatar - If your customers email address is associated with a Gravatar, it will be displayed here.