After a series of beta versions Apple is finaly releasing the final version of Apple OS X Yosemite in Mac App Store for free.
Yosemite is the biggest overhaul of OS X interface since it launched. It will bring Mac and iPhone together with its continuety feature. Which means you will be able to pick up your work on your Mac right from where you left on your iOS device and also in reverse order. Also you can pick up the calls or reply to the messages coming on your iPhone from your Mac instantly. That is the continuity in OS X Yosemite and iOS 8.
Yosemite brings some other significant changes as well like significant improvements in Safari, a whole new calculator, changes to top bar, a lot of newly designed icons, new app store update notification mechanism and all new system preferences.
You will be able to download OS X Yosemite for free today from Mac App Store.