You need to download and install older versions of Firefox. IE 8, which was released in 2009, added more support for Web 2.0 features.The latest version of Mozilla Firefox is no longer supporting Windows XP and Windows Vista. IE 6 was Microsoft’s primary Web browser until the 2006 development of IE 7, which was compatible with the Windows Vista operating system. IE 6, released in 2001 and designed to work with the Windows XP operating system, featured more privacy and security options. IE 5, released in September 1998, expanded Web design capabilities and allowed for further personalization. This incarnation replaced Internet Mail and News with Outlook Express, a freeware version of Microsoft Office Outlook, the company’s commercial e-mail and newsgroup client. IE 4.0, which came out in 1997, was tightly integrated into the company’s main operating systems, Windows 95, Windows 98, and Windows NT. On appeal, however, the breakup order was overturned, but the appeals court did agree that Microsoft was an illegal monopoly. In April 2000 Judge Thomas Jackson found Microsoft guilty and ordered its breakup. states and the District of Columbia, sued Microsoft for being an unlawful monopoly under the Sherman Antitrust Act. One of its competitors, Netscape Communications Corporation, the maker of the Navigator Web browser, complained to the federal government, which in May 1998, along with 20 U.S. Microsoft integrated IE 3.0 into its Windows operating system (that is, it came “bundled” ready-to-use within the operating system of personal computers), which had the effect of reducing competition from other Internet browser manufacturers. (Although new IE versions for the Macintosh often lagged behind Windows releases, Microsoft never discontinued its support for the Macintosh.) In August 1996 IE 3.0, designed for use with Windows 95, added important components such as Internet Mail and News (an e-mail and newsgroup client) and Windows Media Player, a computer graphics program that allowed users to view GIF (graphics interchange format) and JPEG (joint photographic experts group) files IE 3.0 also supported MIDI (musical instrument digital interface) sound files. The success of IE and the rapidly expanding online world led Microsoft to produce several editions of the program in rapid succession. This release featured support for the virtual reality modeling language (VRML), browser “ cookies” (data saved by websites within the user’s browser), and secure socket layering (SSL). By November the company had produced IE 2.0 for both Apple Inc.’s Macintosh and Microsoft’s Windows 32-bit operating systems. In July 1995 Microsoft released Internet Explorer 1.0 as an add-on to the Windows 95 operating system.