In Shopify, checkout settings refer to the configuration options and preferences that you can set up to customize the checkout process for your online store. These settings are essential for providing a smooth and efficient checkout experience for your customers

To access and configure these checkout settings in your Shopify store:

1. In your Shopify Admin, go to Settings > Checkout.
2. Review and modify the available checkout settings according to your business needs and preferences.
3. Click Save to apply the changes.

Checkout feature handled directly by Shopify. You can find more detailed instructions here https://help.shopify.com/en/manual/checkout-settings