Warning : Please create Windows recovery disk and image backup before you start.
OS X file : 4GB +
Apple Mac OS X 10.9 is the latest operating system from Apple. It is free for all mac users who have 10.7.5 or later versions.This version is for non apple computers with intel processors. We can't say it works on all computers, we hope it will work, depending upon your hardware it may works. We can says that it will work on almost all i3,i5 and i7 processors.
Detailed information and download link available at: