How to Download an Invoice
Login to your account.
Click on the settings menu near the top left (The small gear icon where your company name is written) then click on Account Payment:
You will see a list of your subscription plan(s), click "More" to drop down to a view your invoices.
Click the "Invoices" button to show your invoices in a list. From here you can click on the invoice key to display the invoice in your browser or download it directly by clicking on the download link to the far right as shown in the screenshot below.
You can also download the invoice while viewing it in your web browser by clicking the "Download Invoice" button at the bottom of the invoice.