i think the receiever must change the font iont the internet tools option and also encoding.now win xp let in type in thai you just need to download the lang pack from cd or go to this web site http://www.seasite.niu.edu/Thai/maanii2/download/software/windowsXP.htm what you type is what you will see.it better then others virture thai program.another one is at learningthai.com but that only when you are online