
This is the last version of Windows that supports processors without PAE, SSE2 and NX (Update KB4088875 removes support for processors without SSE2) and the last version of Windows that received a Service Pack from Microsoft.

For Professional and Enterprise users, paid extended support will end on 10 January 2023.Ī pre-RTM build, 7600.16384, was speculated to be the final version of the product but had a flaw in Internet Explorer 8 which prevented it from shipping. Mainstream support ended on 13 January 2015, while free extended support ended on 14 January 2020. It replaces Windows Vista and was replaced by Windows 8. It is one of Microsoft's most popular operating systems, still running on 11.94% of desktop and laptop computers as of January 2022. Windows 7 improved performance on older hardware, while also improving many areas of the Aero user interface. Windows 7 has NT kernel version 6.1, making it a minor update to Windows Vista. It is intended to fix many of the issues users perceived with Windows Vista.

It is the eighth operating system in the Windows NT operating system line. Windows 7 is an operating system developed by Microsoft, released to manufacturing on 22 July 2009 and general availability on 22 October 2009.
