Go to Regional and Language
Click on the Tab %26quot;Languages%26quot;
Check off those two available check boxes
click apply
For Windows Vista
follow the instruction on this link
http://newton.uor.edu/Departments%26amp;PrograWhy my PC haven't Chinese in the %26quot;Reginal and Language%26quot; %26amp; how can i get it?you gotta download it
tick %26quot;install files for east asian language pack%26quot;
and click apply