OS X 10.11 El Capitan will be released on September 30

During a demo of the new iPhone 6s 3D Touch feature at the Hey Siri, Give Us A Hint event, Apple's Craig Federighi opened an email on his iPhone 6s from Phil Schiller that announced that OS X El Capitan would be released on September 30th. Apple's latest OS X 10.11 Mac operating system has been in beta since WWDC 2015 in June. Thanks to that peek at Federighi's email, we now know that all Mac users with compatible computers will be able to update to El Capitan three weeks from today, completely for free.

For those who missed it, here's the show of the OS X El Capitan launch date Easter egg from the Apple Event: