To add your customers to your FarmersWeb account go to the Customers page in the dropdown menu. On the Customers page click the green "Create Customer" button. Add all of the customer information and click save. Once you have a created a customer you can create orders for them, give them terms and product discounts.
Once you have added a customer a FarmersWeb account will be automatically created for that customer. The customer will receive an email notification informing them they can access order history and order from you online by setting a password and logging into their account.