If you're installing on a laptop, select Laptop Support.If you're using an Intel 5 or 6 series system with AWARD BIOS select Legacy USB Support.Step 3: Format USB flash drive via Disk Utility on your Mac. Step 2: Download the latest version of UniBeast (MultiBeast) Step 1: Download OS X Yosemite for free on your Mac from the Mac App Store and once download completes, the app Install OS X Yosemite should appear in /Applications folder. Register at to get your free user account for downloading UniBeast and MultiBeast tools.Back up important data and settings on your PC, before you proceed.An Intel-based PC capable of running OS X Yosemite.A fully functional Mac running OS X Snow Leopard 10.6.8 or later is required to download OS X Yosemite from Mac App Store and creating a UniBeast drive.Before you proceed with the installation, there are few pre-requisites that need to be taken care of. The UniBeast tool creates a bootable installer via downloaded version of OS X Yosemite. Those who are eager to try out OS X Yosemite on any compatible Intel-based PC can follow a simple guide to install the same using UniBeast tool.