Windows 10 Release Date: July 29th

Ammalgam writes with news that Windows 10 will be released worldwide on July 29th, 2015. It'll be immediately available for PCs and tablets — their announcement doesn't mention smartphones. The upgrade will be free (within one year of launch) for users running legitimate copies of Windows 7 and 8.1. Another reader notes that users of those two operating systems are now being prompted to upgrade by a message in their notification area (system tray).