For starting this process fresh, you might need to access a functional PC already running Mac OS X Snow Leopard 10.6.8 or later. For this purpose, a tool called as UniBeast is used that creates a bootable installer from your downloaded version of OS X.
This article will take you through the simple procedure of installing OS X Mavericks on your Intel-based PC. How To Install OS X Mavericks on any Intel Based PC