Microsoft releases first Windows 10 update, starts testing fast-paced delivery system

Aul said that the download would weigh in at between 2GB and 2.7GB, and that the reboot, the reconstruction of the OS's search index, and the syncing of OneDrive would take "longer than normal" and "some time."

Microsoft will ship a second consumer-oriented preview in early 2015, but it's virtually certain that the firm will provide more-or-less-monthly updates to the Technical Preview between now and then.

(www.computerworld.com)