Microsoft has released (6/16/2014) Internet Explor Developer Channel which includes features/enhancements that will probably make it to the next release of Internet Explorer, 12.
Internet Explorer Developer Channel is a fully functioning browser designed to give web developers and early adopters a sneak peek at the web platform features we’re working on.
For Windows 8.1 Download: http://www.microsoft.com/en-us/download/details.aspx?id=43359
For Windows 7 SP1 Download: http://go.microsoft.com/fwlink/?LinkID=402275
