Windows 10 build 9924 (fbl cortana)

Windows 10 build 9924 (fbl_cortana) is a build of Windows 10. It was briefly showcased by Joe Belfiore in a Windows 10 special press event at Microsoft's Redmond campus on 21 January 2015. It was also showcased along with builds 9926 and 10011 in the video "How Cortana Comes to Life in Windows 10" posted to YouTube by Microsoft on 10 February 2015.