So was the Windows 7 version
Windows 7 added ribbons to the UI. It's unlikely it was a rewrite. Just a retooling of what Vista had, which in turn what Windows XP had, which... [continue down the line until Windows 1.0].
Windows 7 added ribbons to the UI. It's unlikely it was a rewrite. Just a retooling of what Vista had, which in turn what Windows XP had, which... [continue down the line until Windows 1.0].