How to download macOS Sierra 10.12.6 beta 2 to your Mac

If you are a developer and want to know what to expect in macOS Sierra, here is how to install the developer betaUpdate May 30, 2017: Apple has just released macOS Sierra 10.12.6 beta 2 for developers.

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How to download macOS Sierra 10.12.6 beta 2 to your Mac