Certificate Management
From the General tab of the Site Settings page, you can view certificate details, update the certificate, and generate a certificate signing request (CSR).
To open the Certificate Management panel:
Click the user icon in the top right corner and select Admin.
On the side menu, click Site Settings.

General Tab of Site Settings Page
Click the
icon next to Certificate. The panel opens on the right:
Certificate Management Pane
From here, you can:View details about the current certificate.
Generate a CSR.
Update the certificate.