Run fbarab.exe to install the Arabic keyboard layouts.
Restart Windows.
Load the keyboard layouts:
Click on the Start button.
Click on Control Panel.
The Control Panel is directly accessible in the standard Start
menu but it is inside Settings in the classic Start menu.
Click on "Date, Time, Language and Regional
Options."
Select the "Add other languages" task.
Or click on "Regional and Language Options" and select the Languages tab.
Check the "Install files for complex script and right-to-left
languages" option and click on the Apply button.
Click Yes when you are asked to restart Windows.
Go to "Add other languages" again and click on the
Details button.
Click on the Add button.
Select Arabic in the drop-down list of input languages and select
Arabic ASDF Eastern or Arabic ASDF Western in the drop-down list of
keyboard layouts.
Click OK as many times as you are prompted to and then close
"Date, Time, Language and Regional Options."
Install Arabic Language Support with the
Internet Explorer installer or from
the Windows NT 4.0 CD-ROM:
Open the Langpack folder on your Windows NT 4.0
CD-ROM.
Right-click on Arabic.inf and left-click on Install.
If the installer asks for c_1256.nls, click on the Browse button
and find c_1256.nls in the i386 folder. Return to the Langpack
folder when asked for the location of files again.
Install Microsoft's Arabic Language Support with the Internet
Explorer installer:
Find the Internet Explorer installer (ie*setup.exe) on your hard
disk or download it from Microsoft. If you have several versions of it
then choose the latest version. You need version 5.01 or
later.
Launch the Internet Explorer installer and accept the license
agreement.
Select the installation option that allows you to "customize
your browser" and click Next.
Scroll down to Multi-Language Support, check Arabic Language
Support and click Next.