You can watch the video tutorial, which provides a step-by-step guide through the process.
You can download your invoices from both your Shopify store admin and Simple Invoice by following the simple steps below:
Shopify Store Admin
Step 1: Click on “Orders” in the Shopify dashboard.
Step 2: Click on the order you wish to download, click on the ‘More Actions’ button, and click on the ‘Download with Simple Invoice’ option.
The same action can be processed from the ‘Order Detail Page’.
Simple Invoice
Step 1: Open Simple Invoice from your Shopify store’s “Apps” section.
Step 2: Click on “Orders” in the Simple Invoice dashboard.
Step 3: Select the order you wish to download in the “Orders” section, click on ‘Download’, and select ‘Invoice’.