Steps
Login to Xero
Goto Contacts > Customers
Then click on New contact button in the top right corner.
Enter the required information
and hit Save & close button at bottom of the page
That's it. You have successfully added a new customer in Xero
How to add customers in Xero?
Login to Xero
Goto Contacts > Customers
Then click on New contact button in the top right corner.
Enter the required information
and hit Save & close button at bottom of the page
That's it. You have successfully added a new customer in Xero