Step 1. Within 'My Account' select 'Account Details'
Step 2. Select 'Update Password'
Step 3. Provide the following information;
Your current Password
Your New Password
Repeat New Password
Remember: Your new password must satisfy;
Minimum 8 characters in length
Include at least 1 number (1, 2, 3)
Include at least 1 special character (Example #, $, %)
Include at least 1 lowercase and 1 upper case character