Configure guest checkout
You can require that anonymous shoppers log into their accounts before they check out.
This section applies to Open Storefront Framework (OSF) and Storefront Classic.
This feature can be used for anonymous shoppers who will log into either an individual account or a business account.
To prevent guest checkout, follow these steps:
In addition to selecting this setting, your pages must be modified at a widget code-level to restrict access to the Checkout UI itself. For details on doing so, see Manage Guest Checkout.