Step 1: Click on the 'Settings' button once you login.
Step 2: From 'Account Settings' tab, click on the 'Change Your Password' link, and a form will prompt you to go through the steps.
Step 3: Complete the steps the form requests.
NOTE: Make sure your password is at least 8 characters long, contains one uppercase letter, one lowercase letter, one number, and one non-alphanumeric.
Once the password requirements have been met, click the Change password button and your log in password has been changed.