You need to install any of the hindi unicode font to read or write hindi , commonly used unicode hindi font is Akshar . Please follow the instructions to install unicode hindi in your system.
There was no common hindi ascii structure for the old fonts. so each vendors use different hindi fonts with different keyboard layouts. this makes difficult with hindi users as they need to install each hindi font from different websites.
Unicode font is international and has common keyboard layout. Download unicode font for your language and install it on your system.