This guide describes setting up your store's Main 404 section. Use the section to provide a message that's displayed whenever a visitor follows a link to a store page that cannot be found. Refer to Shopify partners blog: How to craft the best 404 pages for your clients.
The following image shows a Main 404 section on a store's 404 page. In the section's settings are set to their defaults.
For general guidance with modifying sections, refer to Sections overview.
Set up a main 404 section
To set up a main 404 section:
Go to Customize theme. At the top of the page, use the dropdown to select Others > 404 page.
The section is available only on 404 pages.
From the side menu, select Main 404.
Expand the Theme settings menu, and then select a setting to adjust. Refer to Section theme settings menu.