404 Error Page

To customize the 404 Error Page that will be shown when a user visits an invalid page on your site:

1. Click SETTINGS in the left-hand sidebar of the Site Editor:

2. Click Advanced under SETTINGS:

3. Select 404 ERROR PAGE under ADVANCED:

4. Click the CHANGE button under 404 ERROR PAGE:

5. Select a 404 error page template from the list of available template error pages and click the Apply button at the very bottom of the template list:

The new 404 error page will immediately replace the default version.

Customize the template error page, if needed, by modifying blocks and features, and adding new elements to the layout if necessary.