Create Fixing Outdated WooCommerce Templates (#40759)

docs/theme-development/fixing-outdated-woocommerce-templates.md

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+# Fixing Outdated WooCommerce Templates
+
+## Template Updates and Changes
+
+We sometimes update the default templates when a new version of WooCommerce is released. This applies to major releases (WooCommerce 2.6, 3.0, and 4.0) but also to minor releases (WooCommerce 3.8.0).
+
+Starting in WooCommerce version 3.3, most themes look great with WooCommerce. 
+
+[Our developer-focused blog](https://developer.woo.com/blog/) will list any template file changes with each release. You may need to update templates yourself or contact the theme author for an update if:
+
+- you are using a theme with older templates or an older version of WooCommerce, or
+- you modified templates or are using a child theme.
+
+Most theme authors fix themes in a timely manner, so you only need to update your theme to get the updated templates.
+
+Alternatively, you can select and use a different theme that already uses current WooCommerce templates.
+
+**Note**: We are unable to provide support for customizations under our Support Policy. If you need to further customize a snippet or extend its functionality, we highly recommend considering one of our Certified [WooExperts](https://woo.com/experts/) or [Codeable](https://codeable.io/).
+
+## How to Update Outdated Templates
+
+You need to determine what templates to update, make a backup of the old templates, and then restore any customizations.
+
+1. Go to WooCommerce > Status > System Status. Scroll to the end of the page where there is a list of templates overridden by your theme/child theme and a warning message that they need to be updated. In the example below, the templates `form-pay.php` and `form-login.php` are outdated:
+![An example for outdated templates.](_media/fix_outdated_theme_templates.png)
+2. Save a backup of the outdated template.
+3. Copy the default template from `wp-content/plugins/woocommerce/templates/[path-to-the-template]` and paste it in your theme folder found at `wp-content/themes/[path-to-theme]`.
+4. Open the template you pasted into the theme folder with a text editor, such as Sublime, Visual Code, BBEdit, Notepad++, and replicate any changes that you had to the previous template in your new, updated template file.
+
+We recognize that it can be time-consuming. This is why we try to avoid changing WooCommerce templates, but sometimes it is wise to break backward compatibility.
+
+## FAQ
+
+### Where can I find the latest version of WooCommerce?
+
+If you are looking for the default templates to use for updating, you want to use the latest version of WooCommerce. There are a few easy ways to get the templates:
+
+- Access the files via FTP if your current WooCommerce installation is up to date.
+- Find the templates per WooCommerce version in our [Template Structure documentation](https://woo.com/document/template-structure/).
+- Download the latest version from [the WordPress.org plugin page](https://wordpress.org/plugins/woocommerce/).
+- Download the latest release from [the GitHub repository](https://github.com/woocommerce/woocommerce/releases).
+
+### Why don’t you make a button to click and update everything?
+
+It is impossible to make a video or a one-click update. Why? Because there are thousands of themes, and every theme is coded differently. One size does not fit all.