Windows
Windows 98: Microsoft Internet Explorer 5.x, Netscape 4.7, Netscape 7.x, Firefox 1.x, AOL 8, and Opera 7.11

Windows 2000: Microsoft Internet Explorer 5.x, Netscape 4.7, Netscape 7.x, Firefox 1.x or later, CompuServe 7, AOL 8, and Opera 7.11

Windows XP: Microsoft Internet Explorer 6 or later, Netscape 7.x, Firefox 1.x or later, CompuServe 7, AOL 8, and Opera 7.11

Windows Vista: Microsoft Internet Explorer 7 or later, Netscape 7.x, Firefox 1.x or later, CompuServe 7, AOL 8, and Opera 7.11


Macintosh
Mac OS 9.x: Microsoft Internet Explorer 5.1, Netscape 4.8, Netscape 7.x, Mozilla 1.x, and Opera 6

Mac OS 10.x: Microsoft Internet Explorer 5.2, Netscape 7.x, Mozilla 1.x, AOL 7, Opera 6, and Safari 1.0 (Mac OS 10.2x or later only)