The Windows Insider Program was also introduced with Windows 10, which boosted the company's engagement with beta testers as well as distributed new pre-release builds more frequently than the prior beta testing initiatives. The schedule was realigned in 2021 in that feature updates for Windows 10 would be released annually in order to be consistent with Windows 11's new release cadence. From 2017 till 2021, feature updates were released twice in a year, with the first feature update being released in April-May and the other in October-November. Usually, these updates are a new build of the operating system, although in a few cases Microsoft released feature updates consisting of a limited set of new functionality using the regular cumulative update infrastructure. Ī new release model called Windows as a service was introduced with smaller and regular feature updates, as opposed to releasing a major version of Windows every few years. As of March 2023, operating systems from the series run on 73.48% of Windows devices. It succeeded Windows 8.1 and was ultimately superseded by Windows 11 in October 2021. It is the tenth overall major release in the Windows NT operating system line.

Windows 10 is a series of Microsoft Windows operating systems, first introduced in July 2015 after being announced in September 2014. For the original operating system release called 'Windows 10', see Windows 10 (original release).

This article is about the operating system series developed since 2014.

Windows 10 21h2 release date