Published iso with multiple languages installed.
Changing the language at runtime in the [ Display Manager ] language.
Location Settings [Menu -> GUI -> System-> Language ]
If your language is not listed , follow the procedure:
1. Open Terminal [ sudo gnome-language-selector ] install language.
2. Sometimes the system language does not appear in the list, if so, do [ sudo aptitude reinstall locales ]
3. Follow instructions first.
If you want to delete unneeded languages:
In the termina [ sudo gnome-language-selector ] remove language.
If you want to leave only one language, and do not want to install packages on a system with added languages do: [ sudo aptitude install localepurge ]
To change keyboard settings, perform:
1. Open Terminal [ sudo dpkg-reconfigure keyboard-configuration ] and go through the process of setting changes