How to obtain your Keio ID for keio.jp:

• 1. If you agree with this, select the check box.

Once registered, your Keio ID cannot be changed.
Please choose your Keio ID carefully, as it will also be used as your email address for educational and research activities, job hunting, and administrative purposes.

• 1. Enter your activation key.
  　Enter your serial key, 4 characters at a time.
• 2. Enter your desired email account (2-31 characters).

  Please note that there are some restrictions below to register Keio ID.

  • You cannot specify symbols consecutively or at the start or end.
  • A Keio ID must not be offensive to public order or morals.
  • You cannot choose a Keio ID that is already reserved by the system.
  • IDs already in use.
  • Characters usable for the account:
    Lowercase letters (a to z), numbers (0 to 9), underscores (_), and hyphens (-)
• 3. Enter your password.

  The following conditions apply:

  • At least 8 characters.
  • Use four following types of characters.
    A lowercase letter, An uppercase letter, A number, A symbol（ " ! # $ % & ' ( ) * + , - . / ¥ : ; < = > ? @ [ ] ^ _ ` { | } ~ ）
  • Does not include your first name.
  • Does not include your last name.
  • Do not use a password that can be guessed easily
    (e.g., do not use your birthday or phone number).
  • No parts of the username.
  • The character string contained in the username cannot be used.
  • Avoid typing in keyboard sequences (qwerty).
  • Do not use passwords that have been known to have been compromised in the past.
• 4. Select your date of birth.

  Select your date of birth.

Once registered, your Keio ID cannot be changed.
Please choose your Keio ID carefully. It will also be used as your email address for educational and research activities, job hunting, and administrative purposes.

Click [Close] to change.

Write down the issued email address (i.e., Keio ID).
Do not forget your password and your ID.
It might take a few minutes to enable your ID.