If you need an English to Tamil typing software, you can download and install Google Input Tools. Just check the box next to Tamil and the one next to the I agree to the Google Terms of Service and Privacy Policy and then press the blue Download button. After that, launch the installer and follow the on-screen instructions. Once the process is complete, go to Start > Control Panel > Clock, Language, and Region > Change keyboards or other input methods > Change keyboards > Language Bar and check the Docked in the taskbar box. Click Apply and then OK. Next, you need to press the EN button from System Tray and to select TA - Tamil (India):
Alternatively, you can use online typing tools like Yahoo Transliteration or English To Tamil Conversion.
