如何在WordPress产品上显示自定义字段

I have an online bookstore that is build from WordPress Woocommerce Plugin. But currently I am not able to add custom fields (author etc.) on a product.

How do i make it possible like the one on the photo below? Adding the Author of the books (highlighted in yellow).

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This is the website : libroatbp2011.com

This depends on where you want to place it. The easiest way is to use the built in Product Attributes of WooCommerce.

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This will display on the "Additional Information" tab on the product page.

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