Arial OS supports up to 138 different languages such as Urdu, Arabic, Spanish, English, Portuguese, Russian, Persian, German, French, Turkish, Italian, Polish, Ukrainian, Uzbek, Kurdish (Latin), Azerbaijani (Cyrillic), Azerbaijani (Latin), Romanian, Dutch, Greek Polytonic, Greek, Hungarian, Serbian (Cyrillic), Czech, Serbian (Latin), Kazakh (Latin), Hebrew, Bulgarian, Swedish, Belarusian (Latin), Belarusian (Cyrillic), Armenian, Croatian, Slovak, Finnish, Danish, Lithuanian, Latvian, Slovenian, Irish, Estonian, Basque, Luxembourgian, Icelandic, and Vietnamese in Latin, Cyrillic, Greek, Arabic, Hebrew, Armenian, and other scripts.
Please note that not all languages are available for all formats.