Like he usually does, Apple released after her keynote last night’s versions Golden master of its future operating systems. We were thus entitled to iOS 10, macOS Sierra, watchOS 3 and tvOS 10 GM As a reminder, these versions are the last intended for developers before the release of the release public.
If you have already installed iOS 10 beta on your iPhone, iPad or iPod Touch, you can download the Golden Master by going to Settings> General> Software update. For macOS Sierra GM, launch the Mac App Store app and go to the tab Updates to upgrade the OS on your Apple computer.
On the watchOS 3 side, the transition to the Golden Master version is done from the Watch application installed by default on the iPhone. Finally, for tvOS 10, you just have to go to the settings of the Apple TV 4. Of course, you must have a developer account on the Dev Center to take advantage of these updates.
As for the release dates of these operating systems, iOS 10 is scheduled to arrive on September 13, and macOS Sierra on September 20. No information has been shared by Apple regarding the availability of watchOS 3 and tvOS 10 to the general public.