Your OSx86 Compatible Hybrid Desktop Computer from RSOL PC is considered to be a non-Apple labeled computer because it is not manufactured by Apple, Inc. Therefore you will be in violation of Apple's OS X 10.5 Leopard Software License Agreement Section 2 (titled "Permitted License Uses and Restrictions") which specifically prohibits the installation and use of Mac OS X on any non-Apple labeled computer. In Section 5 (titled "Termination") of the OS X 10.5 Leopard Software License Agreement Apple, Inc states if any terms of the License Agreement are violated, the End-User must cease all use of the Apple Software and destroy all copies. NOTE: If the End-User fails to remove the software as stated, the End-User is entirely responsible for any loss that they might incur as a result of violating the Apple's Software License Agreement..