Enter your new Windows live ID username@mtmail.mtsu.edu and your M Number as your password and click the Sign in button. For example, Windows Live ID: zzz1z@mtmail.mtsu.edu Password: M00000000 (Use a capital M)
You'll be prompted to re-enter your current password and then to create a new password below. Minimum password is 6 characters.
After activating you will need to sign back in to your account with your new password. Click the Sign in to Windows Live and sign in.