When the Windows Insider Program launched on Sept. 30, 2014, it was a game changer. The new initiative was a way for Microsoft engineers and product managers to hear from customers about how they are using and deploying Windows, and what they need from us, said the then leader of the Windows division . With the Insider program, we're inviting our most enthusiastic Windows customers to shape Windows 10 with us. We know they're a vocal bunch – and we're looking forward...