The new version of mac OS enjoys a new and important advantages

OS X ended up where he became the new version has a new name is macOS and enjoy new features such as the arrival of Siri virtual assistance to computers and better integration with iOS system and improvements were added to iCloud service. 
At present, it appears that the addition of Siri is the most important and despite the absence of such a default state with permanent activation, but Apple said Acronym his advantage, and tests have shown that this is useful in research on the basis of the sites where you can ask questions such as "where is the restaurant is Doe" or "are you a busy road."

Modernization and the transition to this new version is easy and simple process and you should create a backup before updating the Time Machines tool to create a copy of your files and settings to an external drive.
When finished, it is necessary to ensure that your computer is on the list of supported devices, which include:
MacBook (which was launched in late 2009 or later).
MacBook Pro (Mid 2010 or newer).
MacBook Air (late 2010 or later).
Mac mini (Mid 2010 or event).
All Mac (end 2009).
Mac Pro (Mid 2010)