To change your password, take the following steps:

1. Go to "My Account" and then to "Account Settings".

2. In the tab "Private", enter your current password in the field "Current Password" and then your new password in the field "Password".

3. Click "update" to save your changes.

If the system gives you an error, it may be because there is another field you are yet to fill out. Check in the different tabs to see if all required fields are filled out.