The password for your webspace can be changed from the Administration menu in control panel. The change affects all services connected to the webspace, including FTP, Statistics, SQL and so on.
If you want to change the password for your Simply.com account login, it is done from the Master data menu in control panel. When changing the password for your Simply.com account you will be asked to type in the current password for security reasons.
The passwords for product and account can be changed separately and does not have to / should not be the same.
Article from the support category: General