1. Click Setup > Certificates.
  2. In the certificate list, expand the details for a signing certificate and click CSR.
  3. Click Export and browse to the location to save the CSR response.
  4. Upload the CSR to a CA for signing.
    The CA signs the certificate and sends you a CSR response.
  5. Click Import, browse to the CSR response and click OK.
    The CSR response is imported and saved. Your multiplexed SAML applications and identity repositories. will be associated with this CA-signed certificate for SAML assertions.