Apple released iOS 10 and macOS Sierra to developers at their Worldwide Developer Conference last month.
Now Apple has announced that it is released both macOS Sierra and iOS 10 to its Public Beta testing program.
In order to download the software to your iPhone and Mac you will need to be a member of Apple’s beta software program, you can find out more details about this at the link below.
Apple is expected to release iOS 10 some time in September along with the new iPhone 7 and 7 Plus. The new macOS Sierra is expected to be released some time in September or October.