Make sure you have Windows 2000 or Window XP or later version of these Operating Systems

Click on Start / Settings / Control Panel from Task Bar. This opens Control panel

Double Click on "Regional and Language Options" Applet to open it.  Click on the image below for details

Select "Languages" Tab

Select "Install files for complex script and right-to-left languages (including Thai)" by clicking on it.

Make sure a click appears on the small square.

Now click on <Apply> and then <OK> buttons. Follow the instructions

This should install the Indian fonts required for UniEdit.