Apple's Siri personal assistant will reportedly make its debut on Mac in the OS X version 10.12 released later in 2016 following four years of testing. The Apple OS will include a Siri icon while Apple fans can use System Preferences to configure various settings including a keyboard shortcut.   

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9to5Mac reported the big news. After a Mac user clicks the Siri button a dark and see-through Siri interface will show up on the right corner of the display. The icon will appear next to Spotlight Search and Notification Center in the menu bar, according to Forbes.  

Colorful sound waves will be a sign of speech input, according to Mac Rumors. However, the interface design could change before the summer unveiling.

In addition, Mac users can also make "Hey Siri" voice commands when the PC is linked to power, which is already available on the newest iPhone and iPad devices. It is similar to the "Hey Cortana" feature on Microsoft's Windows 10 OS.  

OS X 10.12 is codenamed Fuji. The operating system upgrade will include minor interface tweaks that will not be as monumental as OS X Yosemite during 2014.

Apple's digital assistant can be used for various functions. It can browse the Internet, launch apps, play music, check the weather, and get sports scores.

Siri was originally an iOS app on the App Store before the voice assistant's developer was purchased by Apple during April 2010 with a reported value of up to $250 million.  

It was rolled out for iPhone 4s in 2011. Siri is now available for certain iPad, iPad Touch, Apple Watch, and Apple TV models.  

Apple will likely announce OS X 10.12 at the yearly Worldwide Developers Conference (WWDC) in June and then have a public launch in the fall.  

In other virtual assistant news Microsoft's Deborah Harrison recently reported that many of the first queries for Cortana were about her sex life. Now she gets angry when asked rude or sexual questions.

Harrison is one of eight writers who pen Cortana's dialogue in the United States. They also add jokes and casual talk to the personal assistant's code.

Here's a Siri commercial: