Download Youtube Video without any software

Download Youtube Video without any software

javascriptt:b=fullscreenUrl;g=b.indexOf("t=");d=b.indexOf("&hl");h=b.substring(g,d);link="https://www.youtube.com/get_video?video_id=" + pageVideoId + "&" + h;location=(link);void(0)

JUST ADD THIS SCRIPT ON ADDRESS BAR OF YOUTUBE VIDEO
AND HIT ENTER..u hav the save option now ...just save ur video n play in any flv player or vlc