To change the password, click on the "My profile" from the bottom right drop-down menu of the screen and select "Change password" from the top left of the screen.
To abandon this operation, click on "Cancel". To continue and change the password click on the "Change password" button and the following message will be displayed:
An automatic e-mail with the new password details will be sent to the e-mail address entered during the registration.
The change password option for other users (available only to some user roles) is accessible by clicking on "User Management< Search<Edit attributes":