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Dear customer, never forget that no returns will be made under normal circumstances as long as the product sold is correct as the version indicated on the product page. If there is an incorrect version, please let us know. Do not try to abuse our goodwill in this matter. You can request another product to be added to your account instead of any product you cannot use. we dont offer any additional author services like authors support and license keys. If you want to get support, you should buy it from the Author , however we can help you how to activate the theme / plugin. A refund can never be requested for a product that cannot be activated.
WP ERP - Payment Gateway 
