Getting the Arabic language pack installed on your PlayStation 4 requires specific steps. This depends on your game disc region and PlayStation Network (PSN) account. 1. Check Your Game Region Compatibility
This is the most common cause of confusion. The PlayStation Store in your account's region will only show language packs that are compatible with the games sold in that region. As confirmed by CD PROJEKT RED support: "In order for a language pack to work it has to match the region and edition of your game" and "it’s currently not possible to change the region of a PlayStation Network account" . the witcher 3 arabic language pack ps4 install
On the game’s hub page, look for a section or tile labeled "PlayStation Store" or "Add-Ons." Getting the Arabic language pack installed on your