Intel Galileo software for mac users

For mac users,

https://downloadcenter.intel.com/download/24000/Intel-Galileo-software-package-1-0-2
 * 1) Intel Download center : Download softwares for mac

2. Java for OS X : it is recommended to install this program before running arduino.

https://support.apple.com/kb/DL1572?locale=en_US