You can then use this Unibeast USB drive to run the Mountain Lion installer on a PC. Unibeast (Free): Unibeast is a Mac program that modifies the official OS X Mountain Lion installer, and writes it onto a USB drive.You can bypass this requirement by applying the MBR patch to Unibeast. Unibeast will not work on a hard drive where Windows was installed first. A separate hard drive: Mac OS X needs its own hard drive (a minimum of 10 GB of space is required, but at least 50 GB of space is recommended).

The hardware requirements for OS X Mountain Lion are essentially identical to those for Mac OS X Lion AMD processors and older 32-bit Intel processors (such as Pentium M) are not supported. If your computer already has Mac OS X Lion installed, Unibeast will just update Lion to Mountain Lion normally, without deleting any of your apps or files. Be sure to read the Hackintosh compatibility guide very carefully, to check whether or not your computer qualifies. A compatible computer: Not every computer will work with Mac OS X, even with the help of tools like Unibeast and Multibeast.This guide is based off tonymacx86's method for installing Mountain Lion , except that we cover it with more detail (and pictures!). Right now, the newest iteration of OS X is 10.8, known as Mountain Lion. Installing Mountain Lion on a PC is pretty much the exact same as installing Mac OS X 10.7 (Lion). Building a PC with specific components and installing Mac OS X on it can save you thousands of dollars you might spend on a real Mac.If you're interested in running Mac OS X, but you don't want to pay ridiculous prices for a normal Mac, then a Hackintosh just might be for you. installing Mac OS X on a non-Apple machine. There’s nothing more satisfying than building a hackintosh, i.e. Now Quit out of ‘Disk Utility’ and you will be able to install Lion on your freshly erased Mac.Don’t install Lion, instead go to ‘Disk Utility’ and then ‘Erase’ your main Hard Drive.Here’s how to do a fresh install of Lion. To boot: Insert flash drive in Mac and restart.

In Lion SharedSupport folder, copy and drag.

Create volume name, choose Options > GUID > Apply.

Format drive for Mac: In Disk Utility, go to Partition > Volume Scheme > 1 Partition.

In the Disk Utility window, scroll through the list of devices in the left panel and select the USB flash device.

Launch Disk Utility, which is located in /Applications/Utilities.

Insert the USB flash drive into the Mac’s USB port.

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