Apple's most anticipated operating system, MacOS Sierra, is now available from the Mac App Store. It is free to download for almost all Mac. While there are reports saying that the new OS has problems, which will be tackled at the later part of this article, there are some exciting updates that can be considered as game changers.

The iPhone and iPad's voice assistant is now on Mac. Yes, Siri is now on Apple's desktop to help its user just the way it is helping the smaller devices' users. It finds file, plays music, corrects spelling, sets appointments and more. The Mac users may now start talking to their computers.

Notes can now be copied and pasted from Mac to iPhone and iPad or vice versa with the new update. Just copy any text, image or any other things that can be copied to clipboard from a device and simply hit paste on the other device. Thanks to another feature called the iCloud Drive desktop that can also sync files and folders between the three devices, as reported by The Guardian.

Mac owner who wears an Apple watch can now unlock the machine without typing any password. The process needs the Mac, iPhone and Apple watch's Bluetooth turned on and all the devices must be paired with each other and running with the latest operating system - MacOS Sierra, WatchOS 3 and iOS 10. Once the computer recognized the watch, it automatically logs the user in.

On the other hand, one of the biggest problems with the new operating system is during the installation process. Most users said that their Mac freezes or crashes while upgrading to MacOS Sierra. For the quick fix, the users just have to wait until it moves again or restart the installation with the anti-virus turned off.

Some users complain that their MacOS Sierra fails to start after the installation has been completed. In this event, the users just have to reboot the computer according to Gotta Be Mobile.