Safari updated, UI simplified, default search changed to Bing from Google, added Private Browsing mode and DuckDuckGo search.

Also, has a Windows and Web-based interface iCloud Drive adds Apple-branded Finder-integrated cloud storage, similar to DropBox and Google Drive.Today view in Notification Center - provides a single location for all of the current day's events and items.Spotlight is more tightly integrated into Application data and provides its own viewing interface - for both local and web-based sources.Flattened 3D interface and presented a darker 'night theme' and translucent iOS 7-like elements.With this release of OS X, Apple also instituted a public beta program by sign-up, seeded in the summer of 2014. OS X Yosemite was announced on June 2 at the 2014 Worldwide Developers Conference, and was released to the public on October 16, 2014, as a free update through the Mac App Store. OS X version 10.10, also known as ' Yosemite', is the eleventh major release of OS X, Apple Inc's desktop and server operating system for Mac computers.

Macbook pro os x 10.10