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 Features new to Windows Vista Compared with previous versions of Microsoft Windows, new features of Windows Vista are numerous, covering most aspects of the operating system. They include new technical features, new aspects of security and safety, new networking features, new I/O technologies, and additional management features. Premium editions of Windows Vista include a redesigned user interface and visual style, named "Windows Aero (Authentic, Energetic, Reflective and Open)". Aero is intended to be cleaner and more aesthetically pleasing than previous Windows versions, including glass-like transparencies and window animations. Windows Aero also features a new default font (Segoe UI) with a