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Your store should be running on Magento Community Edition version 2.1.x
Configuration
Navigate to Product > Settings > License Product Options to set up the extension.
Order Item Status to Enable Downloads
Select the order status to send the pin via email. You can choose: on pending, invoiced.
Disable Guest Checkout if Cart Contains PIN Items
Choose Yes if admins only want to allow customers who created an account on their site to check out with license products.
Choose No if admins want to allow both customers and guests to check out with license products on their site.
Email Template to notify the PINs
Select an email template that admins want to send to customers when they purchase a license product on their site.
Email Sender: Select the email sender.
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