Internet Explorer

http://www.microsoft.com/ie

Internet Explorer 9
  Windows 7
  Windows Vista
  Windows Server 2008
  Windows Server 2008 R2
http://windows.microsoft.com/en-US/internet-explorer/downloads/ie-9/worldwide-languages

Internet Explorer 8
  Windows XP
  Windows Server 2003)
http://windows.microsoft.com/en-US/internet-explorer/downloads/ie-8