To set your keyboard to different Language input - Windows Vista
Edit
Bilingual Keyboard for Windows Vista (Input Language)
The bilingual keyboard uses the standard keyboard driver and requires no additional software. To add an additional input language to the operating system, complete the following:
Click
Start
» select
Control Panel
Select
Clock, Language, and Region » Change keyboards or other input methods
3. Select
Change Keyboards
4. Click the
Add
button and select
Chinese
.
5. Next, set the
Chinese (PRC)
language as your
default keyboard input
.
6. Click on
OK
to save your settings.