The original version of
Windows 10
Windows 10 is a major release of Microsoft's Windows NT operating system. It is the direct successor to Windows 8.1, which was released nearly two years earlier. It was released to manufacturing on July 15, 2015, and later to retail on J ...
(also
retroactively named version 1507 and codenamed "Threshold 1") was released in July 2015. It carries the build number 10.0.10240; while Microsoft has stated that there was no designated
release to manufacturing
A software release life cycle is the sum of the stages of development and maturity for a piece of computer software ranging from its initial development to its eventual release, and including updated versions of the released version to help impro ...
(RTM) build of Windows 10, build 10240 was described as an RTM build by various media outlets.
It was retroactively named "version 1507" by Microsoft per its naming conventions that have the last 2 digits of the year and the month number for future stable releases of the operating system.
Version history
Notable changes in this version include:
*An updated
start menu
The Start menu is a graphical user interface element used in Microsoft Windows since Windows 95 and in other operating systems. It provides a central launching point for computer programs and performing other tasks in the Windows shell. It is name ...
*The introduction of
Cortana, a virtual assistant, to the desktop version of Windows
*A "Continuum" mode that allows users to switch between desktop mode and tablet mode
*"Action Center", which includes notifications and quick access to settings
*A new web browser,
Microsoft Edge
Microsoft Edge is a proprietary, cross-platform web browser created by Microsoft. It was first released in 2015 as part of Windows 10 and Xbox One and later ported to other platforms as a fork of Google's Chromium open-source project: Android ...
, that replaces
Internet Explorer
Internet Explorer (formerly Microsoft Internet Explorer and Windows Internet Explorer, commonly abbreviated IE or MSIE) is a series of graphical web browsers developed by Microsoft which was used in the Windows line of operating systems ( ...
as the default browser in Windows
*Improved multitasking, including virtual desktops
*Many updated built-in apps
The final release was made available to
Windows Insiders
Windows Insider is an open software testing program by Microsoft that allows users globally who own a valid license of Windows 11, Windows 10, or Windows Server to register for pre-release builds of the operating system previously only accessible ...
on July 15, 2015, followed by a public release on July 29, 2015. Support of version 1507 ended on May 9, 2017 for devices in the Current Branch and Current Branch for Business.
See also
*
Windows 10 version history
Windows 10 is a series of operating systems developed by Microsoft. Microsoft described Windows 10 as an " operating system as a service" that would receive ongoing updates to its features and functionality, augmented with the ability for enter ...
References
{{Windows 10 version history
Windows 10
History of Microsoft
Software version histories