- In order to install different languages that are to be used by the system, Lubuntu has the Ubuntu Default Language Manager.
This should be easily accessed through the Preferences>Language Support. Check here to see if the application is installed.
If you do not see nor can confirm the application is installed then open a terminal and install it by using the following command
sudo apt-get install language-selector-gnome
Once installed you will have access to all the major Language/Regional formats
The maintainer is firstname.lastname@example.org
In order to chose between different types of keyboard for the same language -
Be sure Keyboard Layout Handler is visible in the LXPanel. If not, right click on the lxpanel, "Add/remove panel items" and add it. Then edit it. If it is already visible, right click on it and select "Keyboard Layout Handler" Settings.
Then click "Add"
*Another alternative would be KDE
sudo apt-get install language-selector-kde
I would advise you that this also brings a lot of other (maybe unwanted) dependencies.