<Table> Windows 7 <Tr> <Td_colspan="2"> A version of the Windows NT operating system </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Screenshot of Windows 7, showing its desktop, taskbar, Start menu and the glass effect of Windows Aero </Td> </Tr> <Tr> <Th> Developer </Th> <Td> Microsoft </Td> </Tr> <Tr> <Th> Source model </Th> <Td> Closed source and shared source </Td> </Tr> <Tr> <Th> Released to manufacturing </Th> <Td> July 22, 2009; 9 years ago (2009 - 07 - 22) </Td> </Tr> <Tr> <Th> General availability </Th> <Td> October 22, 2009; 8 years ago (2009 - 10 - 22) </Td> </Tr> <Tr> <Th> Latest release </Th> <Td> Service Pack 1 (6.1. 7601) / February 22, 2011; 7 years ago (2011 - 02 - 22) </Td> </Tr> <Tr> <Th> Update method </Th> <Td> Windows Update </Td> </Tr> <Tr> <Th> Platforms </Th> <Td> IA - 32 and x86 - 64 </Td> </Tr> <Tr> <Th> Kernel type </Th> <Td> Hybrid </Td> </Tr> <Tr> <Th> License </Th> <Td> Proprietary commercial software </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Windows Vista (2007) </Td> </Tr> <Tr> <Th> Succeeded by </Th> <Td> Windows 8 (2012) </Td> </Tr> <Tr> <Th_colspan="2"> Support status </Th> </Tr> <Tr> <Td_colspan="2"> Mainstream support ended on January 13, 2015 . Extended support ends on January 14, 2020 . Installing Service Pack 1 is required for users to receive updates and support after April 9, 2013 . </Td> </Tr> </Table> <Tr> <Td_colspan="2"> A version of the Windows NT operating system </Td> </Tr>

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