You may change your user name and password in My Account. My Account also lets you change your registration information and marketing material opt-in selections at any time.
Click the My Account
link in the upper right
My Account Details opens
From New Password, type a new password that can be up to 20 alphanumeric characters long and no spaces. You will be asked to enter the same password twice.
TIP: The password must contain at least one alphabetic and 1 numeric character and a minimum of six characters
Press TAB on your keyboard or click inside the Verify Password text box
Retype the new password
Click the Save button