بسم الله

ًWindows XP:
* Start ==>Control Panel ==>Regional and language seetings==>Advanced
اختر الاردن او السعودية او اسم البلد العربي ==> OK ==>Restart

Windows 7:
Start ==>Control Panel ==>Regional and language seetings==>Change the date and time format ==>Administrative==>\change system locale==>
اختر الاردن او السعودية او اسم البلد العربي ==> OK ==>Restart