For the end user it means that you have to take action upgrading as soon as possible. Security updates are no longer released for these older versions, and it is vital that you get the newest version of Internet Explorer. It is important to stay up-to-date with current innovations to not be left in the dark. Failing to stay current may result in vulnerability to computer attacks and viruses. For your protection, we recommend that clients upgrade to newer versions of Internet Explorer as soon as possible. Along with Microsoft, web developers will no longer automatically support old versions of Internet Explorer.More details from the Microsoft.