Microsoft Windows on Devices – Raspberry Pi 2

Another major Microsoft-in-transition move; see Raspberry Pi 2 announced with substantial hardware upgrades (Engadget) for more Raspberry Pi 2 details

"We’re excited to announce that we are expanding our Windows Developer Program for IoT by delivering a version of Windows 10 that supports Raspberry Pi 2. This release of Windows 10 will be free for the Maker community through the Windows Developer Program for IoT."

Microsoft Windows on Devices – Raspberry Pi 2