Windows NT 6.x

Windows NT 6.x is a family of Windows NT, starting with Vista and ending with 8.1.

Versions

OS	Date	Build	NT Version	Support status	Support status exceptions
Windows Vista	January 30, 2007; 18 years ago (2007-01-30)	Windows Vista Starter, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Business, Windows Vista Enterprise	NT 6.0	Support for RTM version ended on April 13, 2010, mainstream support with Service Pack 2 (SP2) ended on April 10, 2012. Extended support ended on April 11, 2017.[1]
Windows Server 2008	February 27, 2008; 17 years ago (2008-02-27)	Windows Server 2008 Standard		Mainstream support ended on January 13, 2015. Extended support ended on January 14, 2020; 5 years ago (2020-01-14)[2] Windows Server 2008 is eligible for the paid Extended Security Updates (ESU) program. This program allowed to purchase security updates for 3 years, in early installments through at most January 10, 2023 (January 9, 2024 for Azure customers) only for volume licensed editions.
Windows 7	July 22, 2009; 15 years ago (2009-07-22)	Windows 7 Home Premium, Windows 7 Enterprise, Windows 7 Professional	NT 6.1	Mainstream support ended on January 13, 2015. Extended support that excludes Professional and Enterprise ended on January 14, 2020; 5 years ago (2020-01-14). Paid support via the Extended Security Updates (ESU) program for Professional and Enterprise ended on January 10, 2023; 2 years ago (2023-01-10),[3] excluding some Embedded editions
Windows Server 2008 R2	October 22, 2009; 15 years ago (2009-10-22)	Applies for Windows Server 2008 R1.		Mainstream support ended on January 13, 2015. Extended support ended on January 14, 2020; 5 years ago (2020-01-14). Windows Server 2008 R2 is eligible for the paid Extended Security Updates (ESU) program. This program allowed to purchase security updates for 3 years, in early installments through at most January 10, 2023 (and allows to purchase security updates until January 9, 2024, for Azure customers) only for volume licensed editions.[4]
Windows Server 2012	September 4, 2012; 12 years ago (2012-09-04)	Windows Server 2012 Foundations, Windows Server 2012 Essentials, Windows Server 2012 Standard	NT 6.2	Mainstream support ended on October 9, 2018. Extended support ended on October 10, 2023; 20 months ago (2023-10-10)[5] Paid support via the Extended Security Updates (ESU) program until October 13, 2026, only for volume licensed editions
Windows 8 RTM	October 26, 2012; 12 years ago (2012-10-26)	Windows 8 Pro, Windows 8 OEM, Windows 8 Enterprise		All editions except Windows Embedded 8 Standard: No mainstream support end date. Extended support ended on January 12, 2016; 5 years and 11 months ago[6]	Windows Embedded 8 Standard: Mainstream support ended on July 10, 2018, 4 years and 6 months ago, extended support ended July 11, 2023
Windows 8.1	October 17, 2013; 11 years ago (2013-10-17)	Windows 8.1 Pro, Windows 8.1 OEM, Windows 8.1 Enterprise	NT 6.3	All editions except Windows Embedded 8.1 Industry: Mainstream support ended on January 9, 2018. Extended support ended on January 10, 2023.[7]	Windows Embedded 8.1 Industry: Mainstream support ended on July 10, 2018, 4 years and 6 months ago, extended support ended July 11, 2023
Windows Server 2012 R2		Applies for Windows Server 2012 R1		Mainstream support ended on October 9, 2018. Extended support ended on October 9, 2023; 20 months ago (2023-10-09)[8] Paid support via the Extended Security Updates (ESU) program until October 13, 2026, only for volume licensed editions

Windows 10 was released on July 29, 2015,^[9] and with it, Microsoft jumped to NT version 10.0.^[10]