Windows 7 is a major release of the Windows NT operating system developed by Microsoft. Įxceptions exist until at most October 8, 2024, Security updates were available for the operating system until January 10, 2023. This service was available via specific volume licensing programs for Professional & Enterprise editions (via OEMs for some embedded editions) in yearly installments. Windows 7 was eligible for the Extended Security Updates (ESU) service. Įxtended support ended on January 14, 2020 ( ). Mainstream support ended on January 13, 2015 ( ). Service Pack 1 (.24499) / February 9, 2011 12 years ago ( ) Įxcludes Windows Thin PC and some embedded editions: Source-available (through Shared Source Initiative).