Microsoft Windows is the most widely used family of operating systems in the world. The most recent client version, Windows 7, was released in mid-2009. Both standard Windows and Server versions are based on the same core code base. In addition, a mobile version of Windows is available for smartphones and other hand-held devices. The most recent version is Windows Phone 7, released in fall 2010.
This tag covers problems and questions which run across various Windows operating systems, but which may not be specific to a particular version.