: This was the first version to allow users to clean install and activate Windows 10 using valid Windows 7, 8, or 8.1 product keys.
: New features like Next Generation Credentials (NGC) and improved device management made it more suitable for large-scale enterprise deployments. Technical Specifications windows 10 version 1511 build 10586 iso
: Introduced tab previews and synced Favorites and Reading Lists across devices. : This was the first version to allow
: Cortana gained the ability to recognize handwriting for reminders and track movie or event bookings. windows 10 version 1511 build 10586 iso