To start, create an account, choose an invoice template, add your info, enter customer details and services rendered, and click send. In this guide, you’ll learn how to make an invoice on PayPal ...

Use the space provided on the invoice template to inform your client of the reasons for the invoice, the payment terms if you agreed any, and to thank the client in advance for a prompt response.

MS Word 2007's invoice templates come in a variety of styles and formats to suit your needs. Click on the Office button, and then click on "New" to create a document that will contain your invoice.