How to change Windows 7 language from English to Chinese?

i just buy a laptop in singapore

but i need to use chinese version in my english version windows

i am using windows 7 how do i get install chinese version to my laptop

To install a different language - Multilingual User Interface (MUI) - you need to have Windows 7 Ultimate.

Anytime Upgrade to Windows 7 Ultimate
Type Anytime Upgrade in the Search programs and files box in the Start menu and click on the Windows Anytime Upgrade icon.  From there, you can buy an Anytime Upgrade to Windows 7 Ultimate. Then your can enter your Anytime Upgrade product key and perform a simple upgrade to Windows 7 Ultimate so you can install a different language.

http://windows.microsoft.com/en-us/windows7/products/windows-anytime-upgrade



Install Language Pack in Windows 7 Ultimate

1. Start -> All Programs --> Windows Update --> Optional Updates.
2. Open optional Updates and go to the section Windows 7 Language Packs.
3. Tick the Language Pack you want and hit OK
4. Proceed with Install Updates
5. Depiction of Windows 7 downloading a Language Pack
6. Automatic install initiated after download


How to change the Windows 7 Display Language:

1. Go to Start -> Control Panel -> Clock, Language, and Region / Change the display language
2. Switch the display language in the Choose a display language dropdown menu.
3. Click OK
4. Log off for the changes to take effect (This will affect only the user profile under which you are currently logged on).

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Have Questions About Installing Windows 7?
FAQ - Common Windows 7 Installation Questions & Answers

Purchase an upgrade to Windows 7 Ultimate and then you can download any Multi-language User Interface pack you need.  Or purchase Widnows 7 in Chinese.