To learn more about all the new features in macOS 10.12, please click here.
The macOS 10.12 Developer Preview supports the following Macs:
• MacBook, iMac: Late 2009 or newer
• MacBook Air, MacBook Pro, Mac mini, Mac Pro: 2010 or newer
Functionality not in macOS 10.12 beta
• Faces in the Photos app do not sync across your devices.
• The ability for your Apple Watch to unlock your Mac is not in this seed.
Developers can download the beta from the link below. Please follow iClarified on Twitter, Facebook, Google+, or RSS for updates.