In order to use Arabic fonts, you need to use special versions of InDesign, PhotoShop or Illustrator. These versions are labeled ME (Middle Eastern) and support bi-directional text setting for Arabic, Farsi and Hebrew. The regular version of Adobe CS3 doesnʼt support Arabic text setting.
TPTQ Arabic offers Multilingual Unicode Compliant Fonts in WGL4, and larger character sset supporting over 80 languages in standard Latin, Central European, Baltic, Turkish, Greek, Cyrillic, and Arabic encodings.