How long is my version of Windows 10 good for? Feb 4, 2018 – Originally when Windows 10 was first released as a free upgrade the end of support was listed by Microsoft as the year 2025, but this has all changed with each new major upgrade.
For some users who took advantage of the free upgrade back in July of 2015 (Version 1507) may now find that their computer is no longer supported and are stuck with either the original release or subsequent versions of Windows 10 (released about every 6 to 9 months) but can no longer upgrade to the latest version as there hardware is no longer supported.
Date of availability End of service version 1709 October 17, 2017 April 9, 2019** version 1703 April 5, 2017 October 9, 2018** version 1607 August 2, 2016 April 10, 2018** version 1511 November 10, 2015 October 10, 2017** version 1507 July 29, 2015 May 9, 2017
As you can see, versions 1507, 1511 are already dead ducks and 1607 is soon to follow. This means no more Windows Updates will be installed and if at all possible you must upgrade to the current version (1709) and yet a new release, version 18xx will be available in March or April of 2018.
You can check what version is currently installed by entering: winver in the Search box located in the lower left corner of the tool bar (then tap the Enter key).
** Please note that Windows 10 Enterprise and Education releases have their own 'Extended" end of service dates.