OS X presentation held senior vice president of software Craig Federighi .
Design Optimization has become the main "theme" update OS X 10.10 Yosemite. OS interface elements become more flat and less realistic . Relevant applications can be run in full screen to give more space on the screen for easy operation .

Spotlite search function can now call the middle of the screen. Previously, function makes it possible to do a search on your computer for a keyword, and now added to the Spotlite and web resources. Point sources of information , such as stock price , you can immediately drag in the notification center, where they will be automatically updated.
Service iCloud Drive allows the user to store the files that will be available as from other Apple- devices, and Windows- devices. In Safari increased while playing online video and increased efficiency with multiple windows and the speed of the Java- code.
Desktop operating system now has a wireless communication function AirDrop, and intellectual : in the preparation of letters on the iPhone, this function searches desktops to prompt the user to continue writing messages on the laptop keyboard . Naturally , you can directly to shift files from Mac to iPhone and back. Also on the laptop , you can open a web page and continue watching it .

A preliminary version of the operating system OS X is available for registered developers of Apple, and the final version of the OS will be released this autumn. Distributed OS X 10.10 Yosemite, like its predecessor OS X 10.9 Mavericks, will be free of charge through the online store App Store.

System requirements :
• OS X 10.6.8 and above
• 2 GB of memory
• Intel
• 8-15 GB free disk space
• Some features require Apple ID; required to comply with conditions.
• Some features require a compatible Internet service provider ; fees may apply.

Supported models ?
iMac ( mid-2007 model or newer) ;
MacBook ( aluminum model late 2008, early 2009 model or newer) ;
MacBook Pro ( model mid / late 2007 or newer) ;
Xserve ( early 2009 model );
MacBook Air ( late 2008 model or newer) ;
Mac mini ( early 2009 model or newer) ;
Mac Pro ( early 2008 model or newer) .

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