How about OS X Yosemite system? Introduction to OS X Yosemite functions
Apple said at the press conference: the new desktop operating system OS X Yosemite can edit attachments directly in the email program, and the functions of information, iTunes and Iwork have been upgraded in the new system. In addition, the new system also increases the endurance, which will increase the safari browsing endurance for 2 hours. Icloud drive, airdrop and airplay can be synchronized on IOS 8 and Yosemite.
The official version of OS X Yosemite will be available for download today.