Windows Me/NT/2000/XP/2003 Server/Vista.
Publisher's description of Maxthon
Maxthon comes with all the great features which will give you a comfortable, joyful and personal Web surfing experience. It has unique features, such as Advanced ADs blocker: support pop-up blocker and Web content filter, support regular expression; File sniffer: Downloading video/MP3 files have not been so easy. just select the file type you want to catch and Maxthon will reveal any hidden file in the page. Advanced tab managment: Close all tabs, auto refresh tabs, lock tabs.