goto site
http://www.google.com/ime/transliteration/
Select language "Gujarati" as shown
Click
Click button "Download Google IME"
The software installed in your computor
Press the left side keys of Keyboard "Alt+Shift"
The language bar situated at bottom right side of screen will display "GUJ"
Google small toolbar will be displayed.
Now open any MS office application and write "kem chh" it will be converted in "કેમ છો "
Enjoy
