Invoices can be generated for any paid order upon completion of the transaction for that order. Your invoice will list the amount paid for however many number of courses you purchased through that order. Please note that invoices will generate with whatever billing address is currently set for your account. If you'd like to change existing billing/invoicing details, please see this article: How can I change the billing details for my account?
There are two ways in which you can obtain your invoice, as listed below.
If you'd like your invoice at the time of checkout, you can click the Request Invoice link as pictured below when your order completes.
Once the invoice generates, you will be able to click the Download Invoice link that appears to download the PDF of your order.
1) Navigate to your Orders page under My Account. You must be logged in to do so.
2) Locate the order you wish to generate the invoice for and click the Request Invoice button.
3) Once the invoice generates, click the new Invoice button to download the PDF.
Important Note: Free courses or courses obtained through redemption for Humble Bundles, Fanatical, or Groupees are not eligible for invoice generation.