Windows Vista of January 2009, it had been announced that Vista usage had surpassed Microsoft's pre-launch two-year-out expectations of achieving 200 million users. At the release of Windows 7 (October 2009), Windows Vista (with approximately 400 million Internet users) was the second most widely used operating system on the Internet with an approximately 19% market share, the most widely used being Windows XP with an approximately 63% market share. In May 2010, Windows Vista's market share had an estimated range from 15% to 26%. On October 22, 2010, Microsoft ceased sales of retail copies of Windows Vista, and the OEM sales for
DVR-MS For older Windows operating systems, any third-party media player which supports the DVR-MS format through DirectShow on Windows or by other means on Windows or other platforms can be used for playback. Although it is not possible to edit unprotected DVR-MS files through older software programs such as Windows Movie Maker for Windows XP, the files can be edited using Windows Movie Maker for Microsoft Windows Vista or Sonic MyDVD. A simple registry tweak/hack also exists for allowing the Windows XP version of Windows Movie Maker to natively import/edit DVR-MS files. Some early freeware applications which convert the files can