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When upgrading Miva Merchant, you may need to upgrade modules. Commonly, you'll need to purchase an upgrade when moving from one full numerical version to another (from 2.x to 3.x or 4.x, from 3.x to 4.x, and from any version to version 4.14+ compiled).
Upgrade prices are only available to current licensees of the module.
It is imperative that you choose the right version of Miva Merchant when upgrading.
Choose the version of Miva Merchant you are upgrading to:
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