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
Features new to Windows Vista display, the operating system will move the window back to the primary display so that it remains visible. Application developers can also respond to changing monitor conditions. While a presentation is active, Windows Vista disables idle sleep timers and system notifications, and may optionally enable a variety of settings specified by the user. Presentation settings that users may customize include the ability to disable the screen saver, adjust volume levels, temporarily display a specific background image on the display and/or change its position, and to automatically enable these presentation settings with individual display configurations. Windows Vista also introduces an Aero