Faster checkout. Registered customers move through checkout faster because much of the information is already in their accounts.
Self service. Registered customers can update their information, check the status of orders, and even reorder from their account dashboard.
Customers can access their account dashboard by clicking the “My Account” link in the header of the store. They can use their account dashboard to view and modify their information, including past and current addresses, billing and shipping preferences, newsletter subscriptions, wishlist, and more.