1.Go to start>control panel>Regional and Language option>Languages tab.
2.Now enable the option "install files for complex script and right-to-left languages" and click Apply.
3.A dailog box will open which will say that you are about to copy files of some other languages.It will ask you to insert windows xp Bootable cd.
4.When you insert the cd the files will start to copy.After process is done click on Details button and than click on Add button.
5.A new dailog box will open showing a list of different scripts,select hindi from them and than click ok button.
6.Now close the Reginol and Language...