Apple has been served by the OS X name for the past 15 years, but the company is looking to change things up with a rebranding. Its desktop/notebook-centric operating system is now being called macOS, and given that Apple has recently been naming its desktop OSes after places in California, it’s called macOS Sierra.

One of the biggest additions

Source: Hot Hardware – OS X Morphs Into macOS Sierra, Adds Siri And ‘Auto Unlock’ Via Apple Watch