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2. Unzip the file into the app > code folder on your Magento store
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3. Open a command prompt. Navigate to the project root directory in the app > store folder.
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On your Magento store go to Admin > Stores > Attributes > Products
Click on Additional Data Id
Click on Delete Attribute
Remove the module CheckoutChamp_Meta from app/etc/config.php
Remove the module CheckoutChamp_Meta from table setup_module
remove the folder app/code/CheckoutChamp
