From the popup, continue to keep the default setting Except you know the way to produce a private key in addition to a CSR. Click on another button to begin to see the generated CSR plus the non-public essential. Duplicate and conserve the created certificate as being a .crt file https://ftp-server-install30740.onzeblog.com/26970556/a-simple-key-for-magento-2-migration-unveiled