How can I download my invoices's pdf files on customer portal?

Do you need a pdf file of the billed invoice? 

With customer portal, you can save billing pdf files to your computer or mobile phone very easily.

• After logging in into customer portal, click the Billing menu on the right panel.

• If you click the Billing & Payments tab, you will be able to see the billing details and payment details at once. The screen is displayed on a monthly basis, with the most recent item at the top.
• Find the month you want to download the invoice from the screen and click the Details button

• Click the download icon on the upper right
• If you are notified that the download has been completed successfully, it means that the invoice pdf file has been downloaded successfully on your computer or mobile phone!