Did you try searching before posting this question??

There have been at least three (3) different discussions/threads on this topic

http://www.qatarliving.com/answers/living-in-qatar/is-diablo-3-pc-games-...

http://www.qatarliving.com/answers/computers-and-internet/where-to-buy-d...

And another one about cracking the software

http://www.qatarliving.com/node/2877819

Hope this one works for you...and remember search before posting. What you are looking for could have been asked already or a similar question has been posted.

Regards!!