IInitial Setup Guide (Phone) 

　Setup: Smartphone  

• Setup Guide 

　Setup: PC & Smartphone 

• Setup Guide 

Features :

• You will receive a 5 or 6-digit one-time code via SMS or voice call, valid for a limited time only. Enter this code to complete authentication. （Reference:：How to Log In）

• The phone number registered here will also be used for "Additional Setup." 

Notes : 

• Please ensure that spam filters or "Silence Unknown Callers" features are disabled. 

For users without a phone number : 

• Please refer to "Additional Setup" and register at least two authentication factors as a backup. 

Planning to go abroad : 

• Please refer to "Additional Setup" and register two or more authentication factors. We highly recommend using "Biometric Authentication" as your primary method. For smartphone users, we recommend setting up "Biometric Authentication" and installing the "Okta Verify App" as well. 

If you have completed phone registration : 

• Please proceed to "Additional Setup." 

If you have completed phone registration : 

• Please proceed to "Additional Setup." 

Please refer to the following pages for frequently asked questions regarding Multi-Factor Authentication . 

・Multi-Factor Authentication  – FAQ 

Before contacting us regarding keio.jp MFA, please try our chatbot （Keio.jp authentication is required for access. ）。

・keio.jp MFA Dedicated Chatbot 

If the FAQ or chatbot does not resolve your issue, please contact us using the form below. 

・Inquiry Form for IT-Related Topics