As Microsoft latest version of the windows i.e Windows 10 which is going to release till middle of 2015 will may not have Internet Explorer. According to the ZDNet report, Microsoft is going to change the whole look and function of its browsers (introducing totally new browser).
According to ZDNet's Mary Jo Foley, Windows 10 will have both browser IE and Spartan. It is not confirmed whether Spartan will be portable on non-Windows systems, such as Android, iOS, or OS X, But the new browser will be available for both desktop and mobile devices running Windows 10.
Microsoft have not commented anything related to new browser, but company may hints out or announced the some points on the new browser at the upcoming press event n Jan. 21 in the company's hometown of Redmond, Washington,
So till that we have to wait and on the press event many Microsoft will release more information about the Windows 10.