An FTP password is changed from the same menu where the FTP account is created (cPanel -> FTP Accounts).
Under the FTP Accounts section at the bottom of the page you can view a list of all existing FTP accounts.
To change an FTP account password, click on "Change Password" (1) in the action menu on the right.
You do not need to enter the old password. Type in your new password and then click on the "Change Password" (2) button.
|Important: Create a strong password that includes a combination of small and capital letters and numbers.|