Hi mahdyadel21,
Thanks for reaching to us and appreciate your patience.
You are using a Custom Single Product layout, which is built with WoodMart WooCommerce builderNavigate to Layouts > edit the layout. You can read more about the Layout Builder here: https://xtemos.com/docs-topic/woodmart-woocommerce-layout-builder/
Regarding recaptcha, for specialized assistance and potential solutions, I kindly suggest that you reach out directly to the WooCommerce plugin’s support team https://wordpress.org/support/plugin/woocommerce/, who are better equipped to provide you with the guidance you requires or You need to find a third party plugin to achieve more functionality that best suits you.
Regards,