Help I have incorrect OrderAnywhere ShopSite codes used in my Concrete5 CMS website

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How do I update the OrderAnywhere codes within Concrete5 CMS website?

The 'Add to Cart' button from my website is redirecting you to the shopping cart of ShopSite version 10 (Old version) where 'Pay with Amazon' was not enabled. Where as current ShopSite store version for your hosting account is 11.2 and the OrderAnywhere codes of this version is not updated in my website.

Just trying to update to "pay with Amazon"