If you are unable to see Bangla, go to the link below and download Avro! Hope you’ll able to see & write Bangla in your computer.
Download link: http://www.omicronlab.com/
After downloading and installing it, you’ll able to see Bangla in your computer, blog, facebook. And Avro tool-bar will be appeared at the top of your computer screen.
Just click on the ‘English’ button of that tool-bar or press F12 button of your keyboard, then it will be converting to ‘বাংলা’ button.
Now you are about to write Bangla in your computer!