Within the popup, continue to keep the default setting Except if you know how to make a private key in addition to a CSR. Click on the Next button to see the produced CSR as well as the non-public critical. Copy and preserve the generated certificate for a .crt file https://googlecloudinstall56555.vblogetin.com/31584885/how-whmcs-migration-can-save-you-time-stress-and-money