https://support.microsoft.com/en-us/help/13853/windows-lifecycle-fact-sheet
Windows 10
| Windows 10 version history | Date of availability | End of service |
|---|---|---|
| Windows 10, version 1709 | October 17, 2017 | April 9, 2019** |
| Windows 10, version 1703 | April 5, 2017 | October 9, 2018** |
| Windows 10, version 1607 | August 2, 2016 | April 10, 2018** |
| Windows 10, version 1511 | November 10, 2015 | October 10, 2017** |
| Windows 10, released July 2015 (version 1507) | July 29, 2015 | May 9, 2017 |
* Home edition does not support the deferral of feature updates and will therefore typically receive a new version of Windows 10 prior to the end-of-service date shown.
** Enterprise and Education editions for versions 1511, 1607, 1703 and 1709 will receive an additional 6 months of servicing after the end of service date.
Note: Not all features in an update will work on all devices. A device may not be able to receive updates if the device hardware is incompatible, lacks current drivers, or is otherwise outside the original equipment manufacturer’s (OEM) support period.
Enterprise LTSB editions | Windows 10 version history | Date of availability | Mainstream support end date | Extended support end date |
|---|---|---|---|
| Windows 10 Enterprise 2016 LTSB Windows 10 IoT Enterprise 2016 LTSB | August 2, 2016 | October 12, 2021 | October 13, 2026 |
| Windows 10 Enterprise 2015 LTSB Windows 10 IoT Enterprise 2015 LTSB | July 29, 2015 | October 13, 2020 | October 14, 2025 |
Note: Not all features in an update will work on all devices. A device may not be able to receive updates if the device hardware is incompatible, lacks current drivers, or is otherwise outside the original equipment manufacturer’s (OEM) support period.
Windows 8.1 and 7
| Client operating systems | End of mainstream support | End of extended support |
|---|---|---|
| Windows 7, service pack 1* | January 13, 2015 | January 14, 2020 |
| Windows 8.1 | January 9, 2018 | January 10, 2023 |
