I'm Miles from the Social Care team at Shopify. I'll be happy to walk you through setting up an order notes section in your cart.
You can find the cart settings for your theme in either the Theme settings, or in a customizable section on your Cart page. Follow the steps below, or refer to the theme's documentation for more information about how to find this setting in your theme.
You can also customise the wording of the notes page by following the steps in this guide.
I have followed these steps, but there is nowhere in either of those sections that has a box to check for "enable cart notes" . I am using the Debut light theme. I have gone through the settings and cannot find this anywhere. Any help would be appreciated!
Thanks for getting in touch to let me know you're not able to enable the cart notes section in Debut.
Since posting this solution, we've updated our themes so enabling cart notes is now found in a different section. I've outlined the new steps below.
Here's a screenshot of what this looks like:
This should resolve any issues you're facing when enabling cart notes. As you're using a free theme from Shopify, then you might be able to contact Shopify Support for help with this tutorial. To learn more, refer to Support for themes.