Cart Checkout Confirmation is a plugin that allows you to insert a confirmation popup between WooCommerce’s checkout screen (the page where you enter the customer information) and the checkout completion screen.

It also has a pro version to upgrade your plugin.
Enabling you to
・choose between a confirmation popup or a page
・change and reorder the items on the confirmation page by simple drag and drops
・change the color of the confirmation button
・change the confirmation button’s text
・put a text in the confirmation page between the Purchaser Information and the Cart Information