Follow these steps.
1. Go to Control Panel
2. Open regional and Language options
3. Go to Advanced Tab.
4. Select Arabic (Saudi Arabia) from the drop down combo box.
5. The computer will restart and your problem will be solved inshallah.
2. Open regional and Language options
3. Go to Advanced Tab.
4. Select Arabic (Saudi Arabia) from the drop down combo box.
5. The computer will restart and your problem will be solved inshallah.