More importantly for laptop users, Mavericks contains a number of improvements that extend battery life and improve memory.
NOTE: If you're installing Mac OS X on a computer that already has Windows installed on a separate internal hard drive, you may have to enable AHCI for Windows beforehand. Also, after installing Mac OS X, you should also sync your clock on Windows with Mac OS X.
A computer built to run this type of The legality of this form of tying is disputed by companies such as Psystar, Bizon computer, Pear C and Mac PC who have attempted to release products using Mac OS on non-Apple machines.
However, while the methods Apple uses to prevent Efforts immediately began to attempt to run Mac OS X on non-Apple hardware, but developers quickly found themselves with an error message saying that the PC hardware configurations were not supported.
Plug your USB drive into Mac OS X, and open Disk Utility (located in the Utilities folder in the Applications folder).
Select the USB drive in the sidebar of Disk Utility, go to the "Partition" tab of Disk Utility.