Please refer to the descriptions provided either to the right of or below the images for an explanation of each step
1.1. Access the Multi-Factor Authentication (MFA) settings page
Access the Multi-Factor Authentication settings page( https://keio.okta.com/enduser/settings )on your smartphone's browser and log in with your keio.jp account (ID and password).
1.2. Under "Security Method," click "Set up" in the "Security key or biometric authenticator" section.
1.3. Verify with your phone
To verify via SMS, tap "Receive code via SMS." To verify via voice call, tap "Receive a code via SMS."
1.4. Verify with your phone
Enter the verification code sent to your registered phone number (6 digits for SMS or 5 digits for voice call) and tap "Verify."
1.5. Verify with your password
Enter your keio.jp account password and tap "Verify."
1.6. Set up security methods
Click "Setup".
1.7. Setting up a security key or biometric authenticator
Click "Set up" on the next screen as well.
1.8. If a pop-up appears in your browser prompting you to save your passkey
When a pop-up prompting you to save to Google Chrome Passkeys appears, click "Save another way".
1.9. If a pop-up appears in your browser prompting you to save your passkey
Click "iCloud Keychain".
1.10. Register using Touch ID.
Once the password manager is launched, perform Touch ID fingerprint authentication.
Note: It is assumed that Touch ID is already registered on your Mac. Please be aware that the behavior may differ depending on your browser or device.
1.11. MFA settings page in your browser (Security Methods)
Once authentication is successful, the screen will automatically transition, and the authentication factor will be registered.
End of guide