You can change the license key for the plugin from nopCommerce administration panel. To change, please follow the instructions:

1. Log into your nopCommerce store as administrator, go to administration panel and then go to Configuration > Settings > All Settings (Advanced)
2. Search for the following Setting Name and replace its value with a new License Key you have just received. Make sure to save the changes for each setting key.

Setting Name / Key Corresponding to the Plugin:

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