Write Bangla without software.
Yoy can write bangle on mail without software . to write bangle on browser you should download
Google Translator Ad-Ons Download from hare install the ad-ons and restart your Firefox now go to tools menu, ad-ons and click Google Transliteration Enable and check transliteration for text boxes too .
and write anything on Firefox and choose bangla from right menu. now you can write bangle on browser