Apple has made its macOS Sierra operating system available to all as a free download, bringing several notable features to its laptop line-up for the first time.
The update is available for MacBook (late 2009 and later), iMac (late 2009 and later), MacBook Air (2010 and later), MacBook Pro (2010 and later), Mac Mini (2010 and later) and Mac Pro (2010 and later).
macOS Sierra is the first version of Apple's desktop operating system to support Siri. The digital assistant can carry out tasks such as searching the web, firing up Apple Music playlists and sending text messages.
Apple Pay plays a big part in macOS, as Apple has included support for the payments service in Safari for the first time. This means that Apple Pay can be selected as a payment method when shopping online, authenticating payments by using a nearby iPhone or Apple Watch.
macOS also has a feature called Auto Unlock that allows those rich enough to own a MacBook and an Apple Watch to unlock the macOS-powered device by having the smartwatch in close proximity. It appears that this is limited to the Apple Watch at present, despite speculation that the iPhone would be supported.
Universal Clipboard is another macOS Sierra first that allows copy and paste across multiple devices. There's support for Tabs in third-party apps, and picture-in-picture for those who want to watch Netflix on the sly at work.
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