5. The method of claim 1 , further comprising: displaying the at least two installable languages after the determining of the at least two installable languages; and displaying the at least two changeable languages after the determining of the at least two changeable languages.
5. The method of claim 1 , further comprising: displaying the at least two installable languages after the determining of the at least two installable languages; and displaying the at least two changeable languages after the determining of the at least two changeable languages. 7. The method of claim 5 , further comprising displaying cautions for language change before the displaying of the at least two changeable languages.