Hi al-3raqi
Welcome to the forum

You can grab the Arabic language pack here http://b2evolution.net/downloads/1.10/language-packs.html

Read here how to translate and how to update an existing language files http://manual.b2evolution.net/Localization

cool
there is arabic lang

thanks my friend
if you need Translation any this to arabic just let me now :-)

have a nice day