Hi Dilpreet,
Thanks for reaching out to us. Our Variation Duplicator For WooCommerce by Emran Ahmed is available free version at https://wordpress.org/plugins/variation-duplicator-for-woocommerce/
I think you bought another plugin from codecanyon. Please provide us a screenshot(https://prnt.sc/) of your variation duplicator for woocommerce plugin so we can verify.
Looking forward to hearing from you.
Thank you.
Get PRo
Dilpreet Singh
I bought your plugin from Theme forest and its still asking to Key to activate