Microsoft Windows version history home users. Windows 2000 was available in four editions: In September 2000, Microsoft released a successor to Windows 98 called Windows ME, short for "Millennium Edition". It was the last DOS-based operating system from Microsoft. Windows ME introduced a new multimedia-editing application called Windows Movie Maker, came standard with Internet Explorer 5.5 and Windows Media Player 7, and debuted the first version of System Restore – a recovery utility that enables the operating system to revert system files back to a prior date and time. System Restore was a notable feature that would continue to thrive in all later versions
Development of Windows Vista the longhorn codename in a prominent manner. Microsoft started work on Service Pack 2 soon after Service Pack 1 was released, as Windows Server 2008 uses the same codebase as Windows Vista Service Pack 1. Service Pack 2 is the first service pack to be released for both Windows Server 2008 and Windows Vista simultaneously, sharing the same binary. Windows Vista Service Pack 2 Pre-Beta Build Number 6002.16489.lh_sp2beta.080924-1740 (Version 105) Released in October 2008. Windows Vista Service Pack 2 Beta Build Number 6002.16497.081017-1605 (Version 113) Released December 4, 2008. Download became available in the Microsoft Download Center. Windows Vista Service