On Jan 12, 2016, IE11 will be the only supported version of IE on most Windows versions. In this post, Premier Developer Consultant Pat Altimore covers the essentials to jumpstart your migration. There are three main areas to plan for when you migrate: deployment, configuration, and compatibility.

http://blogs.msdn.com/b/patricka/archive/2015/12/02/internet-explorer-11-migration-quick-start.aspx