The following links will guide you to the latest versions of frequently used browsers. All browsers can be downloaded free of charge:
For Windows XP SP3, Windows Vista, Windows 7:
(Please mind that Microsoft has limited support for Internet Explorer 6 and Internet Explorer 7, which are part of the previous versions of their operating system such as Windows 98, Windows 98 SE, Windows XP SP2.)
For Macintosh (OS X)
For Linux