1. After logging in, select the "Profile Icon" in the upper right and press "Security".
2. Press " Enable " in the " Two-Factor Authentication " item.
3. Scan the QR code with a mobile authentication app such as "Google Authenticator" or enter the code manually and click "Next".
4. When you click the "Send Code", an email will be sent to the registered email address.
5. Enable Google Authenticator.
A: Email image
B: Mobile authentication app image
C: Google authentication setting page.
(1) Enter the 6-digit code (image A) in the email you received in the verification code (image C ①).
(2) Enter the 6-digit code displayed on the mobile authentication app (image B) into the Google authentication code (② in image C).
Click " Enable " when both entries are complete.
6. Registration is complete when the screen below is displayed.