Don't lose access to your account. Visit http://aka.ms/ssprsetup in your web browser and complete the sign-up process using your existing firstname.lastname@example.org and password that you login to your computer with today.
After you complete the registration process you can use the following link http://aka.ms/sspr or click on "Can't access your account?" on the sign-on page to reset or unlock your account from any device. This will be posted under Student Resources, for future reference to reset your own password.