windows 7 was the successor to Windows Vista.Windows 7 was an operating system for Home , business , tablets PC and for media center PC.Windows 7 was replaced by Windows 8 in November 2012.Windows 7 RTM made security updates , software updates , PC drivers and technical support.It was code named Blackcomb i was going to be the successsor to Windows XP.In January 12 , 2016 Microsoft ended the support For Internet Explorer 11 The Extended support ended in January 14 , 2020.