1. After you import your DigiCert Personal ID into Keychain Access it is available on both Safari and Chrome.
  2. Locate your DigiCert Personal ID .p12/.pfx file and double-click it.
  3. In the Keychain Add Certificates window, choose login as the Keychain option and then click Add.
  4. Enter the password you used when you created the .p12 file and click OK.
  5. Verify that your certificate is installed in Keychain Access. When you visit a website that requires a certificate, Safari and Chrome may prompt you to choose a certificate from Keychain Access.