The order confirmation email message is your receipt or invoice for your purchase. Please save or print this email, or you can reprint it from Autodesk Account or your country's Look Up Page. If you have a subscription order with recurring billing, you receive an order confirmation email (receipt) each time we bill you and renew your subscription.
To print your invoice
Sign in to Autodesk Account and go to your Order History
Enter your order number (found in your confirmation email) and password on the Look Up Your Order page and click Search.  Note: Your order number can be found on your confirmation e-mail.
On the Look Up Order page, enter your order number and password and click Find Order.
To view the invoice, follow the directions depending on which country you made the purchase in.