Windows 7 is the latest release of Microsoft's Windows operating system. It features improvements like multitouch support and a redesigned taskbar. Windows 7 focuses on better hardware and application compatibility compared to Windows Vista. The document discusses Windows 7 features like thumbnail previews and device management. It outlines advantages such as backup/restore, parental controls and sticky notes. Disadvantages include needing at least 1GB of RAM and some old software not working. Market share statistics from November 2011 show Windows 7 at 41.13% compared to 47.91% for Windows XP.