Download Mac OS X Yosemite : Apple next update for Mac OS X 10.10 Yosemite for next generation Mac operating System (MacBook). Apple improved the User Interface with translucency, consistent typography and new rounded dock icons and calling and messaging features are included in new update. 
Mac OS X Yosemite 10.10 Features
- Flat translucent UI with rounded dock icons with transparency effects
- Notification Center with Widgets
- Improved Calendar UI with today view
- Spotlight Search appearing now in the middle of the display with support for internet-based information from Wikipedia
- iCloud Drive with storage solution
- Mail app that sends large attachments (up to 5GB) via iCloud
- Safari Browser support for webGL, faster JavaScript, HTML 5 and more.
- AirDrop now works between Macs and iOS devices
- Handoff allows devices in proximity to each other to share content
- Instant Hotspot detects your phone and tries to connect when there is no other internet connection
- SMS and Phone Calls that allows you to answer an incoming call and send SMS from your Mac
Mac OS X Yosemite 10.10 Released Date
Mac OS X Yosemite Developer Preview is available today, will be available for public download in 2014 for free.
