Follow these steps to open and configure section settings:

1. Log in to your Shopify Admin.Go to Shopify Admin and log in with your credentials.
2. From your dashboard, go to Online Store > Themes.This will take you to the Themes page where you can see your current theme and other available themes.
3. Customize your theme.On the Themes page, locate your current theme and click on the Customize button. This will open the theme editor.
4. Select a section.In the theme editor, you will see a preview of your store on the right and a list of sections on the left. Scroll through the list and select the section you want to configure.
5. Open section settings.Once you've selected a section, its settings will appear in the left-hand sidebar. Here, you can customize various aspects of the section according to your needs.
6. Save your changes.After making the desired changes, click the Save button in the top right corner of the theme editor to apply your changes.
7. Preview your changes.Navigate to the top right corner and click Preview to see how your changes look on your store.
8. Publish your changes.When you’re satisfied with how everything looks, make sure your changes are saved. Your customizations will now be live on your store.