Capossela explained:
“We’ll continue to have Internet Explorer, but we’ll also have a new browser called Project Spartan, which is codenamed Project Spartan. We have to name the thing.”
It seems Microsoft plans to keep Internet Explorer on for future iterations of Windows 10, however that’s mainly for compatibility purposes. But Project Spartan will be Windows 10’s default browser come launch day, with Internet Explorer the red haired step son.
Internet Exploder developed a bad image over the years, which despite getting better was impossible for Microsoft to shake.