help

go to google then type"arabic keyboard" will get so many but choose one and download it,and put it in ur favorite, so everytime if you want to use it you can click on it from your favorite type from the arabic keyboard what ever you want then right click do copy then paste and there you go,i hope you will get all this and allah ye3inek

http://www.al-islam.com/key.htm
هدا الكيبورد بالعربى التعليمات بالاسفل

i have another way
go to start in your computer , then choose control panel, go to date , time,

so sorry lets continue
go to control panel, then go to date, time and langueges, than choose add langueges, then click on details, then add arabic language, then ok you may need to restart your computer.let me know if things went well or noy
bye,