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 Pack 2 RC Escrow Build Number 6002.16659.090114-1728 (Version 275) Released January, 2009. Windows Vista Service Pack 2 Release Candidate Build Number 6002.16670.090130-1715 (Version 286) Released February, 2009. Windows Vista Service Pack 2 RTM Escrow build to Connect Beta Testers Build Number 6002.17043.090312-1835 (Version ???) Released March, 2009. Available and can be installed via Windows Update Windows Vista Service Pack 2 RTM Escrow Build Number 6002.17506.090313-1730 (Version ???) Released March, 2009. Leak to file sharing websites. Windows Vista Service Pack 2 RTM Build Number 6002.18005.090410-1830 Released 28 April 2009. Officially released by Microsoft via Windows Update on 26 May 2009. –