"Beginning January 12, 2016, only the most current version of Internet Explorer available for a supported operating system will receive technical support 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. Internet Explorer 11 offers improved security, increased performance, better backward compatibility, and support for the web-standards that power today’s websites and services. Microsoft encourages customers to upgrade and stay up-to-date on the latest browser for a faster, more secure browsing experience."
-- Support for older versions of Internet Explorer ended, Jan. 2016