How to use Multibeast 5: a comprehensive guide for Mountain Lion

LATEST UPDATE (October 27, 2013): Updated guide to reflect Multibeast 5.5 updates.

Recently, tonymacx86 released Multibeast 5, a version of Multibeast customized specifically for OS X Mountain Lion, Apple's newest version of Mac OS X. The layout of Multibeast has been revamped, and many incompatible and outdated options have been removed. Even so, opening Multibeast can be an intimidating experience for anybody new to Hackintoshes. This guide is here to help. 

How to install OS X Mountain Lion on a MBR partition with Unibeast

When you install Windows on a hard drive, it automatically sets the partition scheme of your hard disk to MBR (Master Boot Record). Mac OS X doesn't support this partition scheme, but you can still install OS X Mountain Lion on a hard disk with the MBR partition scheme by modifying "OSInstall.mpkg" and "OSInstall", two installation files inside your Unibeast USB drive. This means that you can install Mac OS X on a hard drive that already has Windows installed.