The information in this topic refers to SuiteCommerce and the Elbrus, Kilimanjaro, and Aconcagua releases of SuiteCommerce Advanced only.
Only secure Web Store Only domains can be upgraded to Single Domains for Web Store and Checkout. To secure a Web Store Only domain using an automatic certificate, follow the steps in Secure Your Domain. You can also use manual certificate as described in Manual Certificates.
Once the Web Store Only domain is secure, you can upgrade it to a Single Domain for Web Store and Checkout by editing the domain record and selecting Single Domain for Web Store and Checkout from the Domain Type list.