1. Log into your store.
2. Click on the Truck icon near the upper-right hand corner of the screen.
3. You can add a customer or use an existing customer. You can 'Edit', 'Add', and 'Save' Customer information as you please.
4. When you are ready, click on 'Set Customer'
5. You will taken back to the checkout screen and you should see your customer's name appear on the right side. You can now complete the sale as your normally would.
Here is a picture of a receipt looks like:
