The User tab in Account Settings will allow you to change your Name, Email, Phone(s), and Password.
Step 1:
Click Company name, then click Account Settings.
Step 2:
Click User, then enter your Current Password.
NOTE: You do not need to enter your Current Password to edit your phone number(s).
Step 3:
Update your password or contact information.
Step 4:
After making the changes, click SAVE.