You Can Now Download macOS Sierra in Beta Form

On 7 July 2016, Apple opened up testing of its next-generation desktop operating system to the general public.

As well as a new naming convention, macOS Sierra promises integration with Siri, the company's virtual assistant, Apple Pay in the browser, and even tighter and more useful integration between Mac computers and iPhones and iPads. For example you can copy text on the iPhone's screen and paste it to that of your Mac.

The free download is available on Apple's website,but make sure you do a full backup of everything on your Mac before starting the install process.

Apple announced their new operating systems for Mac at their annual developers conference WWDC 2016.