Windows 7 (codenamed Vienna,
formerly
Blackcomb[7]) is a personal computer operating system developed by Microsoft. It is a
part of
the Windows NT family of operating systems.
Windows 7 was released to manufacturing on July 22, 2009,
and became generally available on October 22, 2009,[8] less than three years after
the release of its p
redecessor,
Windows Vista.
Windows 7's server counter
part,
Windows Server 2008 R2, was released at
the same
time.
Windows 7 was primarily intended to be an incremental upgrade to
the operating system intending to address
Windows Vista's poor critical reception while maintaining hardware
and software compatibility.
Windows 7 continued im
provements on
Windows Aero (
the user interface introduced in
Windows Vista) with
the addition of a
redesigned taskbar that allows applications to be "pinned" to it,
and new window management features. O
ther new features were added to
the operating system, including libraries,
the new file sharing system HomeGroup,
and support
for multitouch input. A new "Action Center" interface was also added to
provide an overview of system security
and maintenance in
formation,
and tweaks were made to
the User Account Control system to make it less intrusive.
Windows 7 also shipped with updated versions of several sto
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