How Can I Change My Computer Language?

I want to change my grandfathers laptop from english to persian/farsi. He can't read or speak in english so that's why i want to do it. Not only do I want the computer to be persian but also anything on the internet. His laptop is running Windows Vista.How Can I Change My Computer Language?
Please follow the steps below;

1.Click “Start” on left down corner at your PC

2.Click “ Control Panel”

3.Click “Clock Language %26amp; Region” then choose “Change Keyword or other input methods”

4.The “Regional %26amp; Language Options” box comes out, from left to right you will see the buttons “Formats”, “Location”, “Keyboard %26amp; Language” %26amp; “Administrative”; read the options to change what you want in there;

5.Finally click “OK”

6.Restart your PC after all steps done.



After all, go to Google dowload free language translation software that with Farsi (Persian), http://www.google.com/ime/transliteratio…How Can I Change My Computer Language?
Windows Vista edition???



WINDOWS VISTA (ONLY ULTIMATE OR ENTERPRISE EDITION)

TO CHANGE THE DISPLAY LANGUAGE

? If you have the language installed, you only need to add the language:

http://windows.microsoft.com/en-us/windo…

? If you DON'T have the language installed, download for the desire language the Multilingual User Interface Pack (MUI)

http://windows.microsoft.com/en-us/windo…



For more information:

http://windows.microsoft.com/en-US/windo…



WINDOWS VISTA OTHER EDITIONS :

? Check to see if you have the language installed, if so you only need to add the language

hhttp://windows.microsoft.com/en-us/windo…

? If you don't have the language installed, then you need to get the Language Interface Pack (LIP)

http://windows.microsoft.com/en-US/windo…

How to install a LIP http://windows.microsoft.com/en-us/windo…



OFFICE 2007:

You need to buy and install a Office Language Pack.

The language packs let you change the display language, access Help, and use proofing and editing tools in the installed language.

http://office.microsoft.com/en-us/access…