Experience improved access to Adobe Photoshop CS4 software's unrivalled power with a more intuitive user experience, greater editing freedom, and significant productivity enhancements. Users of the Middle Eastern, North African and Greek version of Adobe Photoshop CS4 can now explore more possibilities with enhanced and advanced language features, and can also enter text using their 'own language' user interface. Arabic and Hebrew language options include spell checking, bi-directional text flow, typographic controls (kashidas, ligature, diacritics) and advanced importing and exporting options. 
Install Language Pack. Close Photoshop and then download and install the latest version of the Adobe Application Manager (links in Resources).