Multi factor authentication (MFA) setting
For Komatsu User
Due to security reasons, Komatsu accounts needs Multi Factor Authentcation. Settings can be managed from Komatsu Account Profile as in the link below
Confirm & Manage your account
For Microsoft Account User: you can set Multifactor authentication in your Microsoft account.
In case of any issues, please visit Microsoft website
Reference : Microsoft Account Support page
For Non-Microsoft user (If you are using Azure Active Directory with a corporate Office 365 etc.)
In case of any issues, please contact IT department of your Organisation