A new customer record can be created on the Customers tab OR when
editing an invoice or quote.
To add a new customer on the Customers tab, first select the tab
as shown in the picture below.
Then press the New button to create a new customer record.
When a new record is created, a default name is given to the
customer, e.g. Customer1, Customer2 and a new, unique Customer ID
is assigned. Edit the customer name and details as desired. All
edits will be automatically saved.