The SQUARE ENIX Software Token is an application designed to strengthen the security of user accounts for playing online games by generating and requiring One-Time Passwords when logging in. - What are One-Time Passwords? http://www.square-enix.com/na/account/otp/ - A Square Enix account is required to use this application (* You must also have purchased either FINAL FANTASY XI or FINAL FANTASY XIV and registered the accompanying registration codes to your account) - Getting a Square Enix account https://secure.square-enix.com/account/app/svc/register To register this application to an account, you will first need to log in to the Square Enix account management system and follow the instructions on the "One-Time Password" page. - Square Enix account management system https://secure.square-enix.com/