Check out Arabic web index - news and media . If you run Latin windows, you can use a multilingual wordprocessor that supports Arabic. A good source is to check for multilingual WP and translation programs is World of Reading . For a distributor near you, check out Microsoft MiddleEast page . You can also use a search engine.
Some retailers offer academic pricing.
Office2000 runs on Latin Windows and supports Arabic, however, there is a localized version as well. We have compiled a help page on How to read Arabic on the Internet using different operating systems. You do need to know which key corresponds to which letter though. Microsoft includes transparent Arabic stickers for your keyboard with Arabic windows. You can also buy these or an overlay from mail order vendors.