Below is your step-by-step guide:
- After you import your DigiCert Personal ID into Keychain Access, it is available on both Safari and Chrome.
- Locate your DigiCert Personal ID .p12/.pfx file and double-click it

- In the Keychain Add Certificates window, choose Login as the Keychain option and then click Add.

- Enter the password you used when you created the .p12 file and click OK.

- 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.
