Yes, Microsoft is ending support for IE versions before version 11, hence the reason why websites may start requiring version 11. The new browser is called Edge, available in Windows 10.
Instead of IE start using the latest version of Chrome or Firefox.
Quote:
Beginning January 12, 2016, only the most current version of Internet Explorer available for a supported operating system will receive technical supports and security updates. Internet Explorer 11 is the last version of Internet Explorer, and will continue to receive security updates, compatibility fixes, and technical support on Windows 7, Windows 8.1, and Windows 10.