Serial number check for software upgrade

Fahim_Niaz
New Member
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Hi, is there a way in Shopify (or App) to check software product serial numbers so that a customer can upgrade to a newer version of the software. For instance, customer owns Photoshop 9 and wants to upgrade to Photoshop 10 Upgrade version (discounted by 20% from the Photoshop 10 Full version).

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