Start Disk Utility on Mac. Select your USB drive from the left hand column.
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Select the Partition tab from the right side. Click on Current dropdown menu and choose 1 Partition.
Now click on Options… button, select Master Boot Record.
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Type ‘USB’ as the Name for the drive. Select Mac OS Extended (Journaled) as Format type.
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Once done, click on Apply followed by Partition.
Step 4: Now start UniBeast that you downloaded in Step 2 above.
Step 5: Skip through the first few screens by clicking Continue or Agree, until you get to Destination Select screen.
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Step 6: Select your USB drive and click Continue to proceed.
Step 7: On Installation Type screen, make sure Mac App Store Mavericks – 10.9 is selected in packages. Additionally, select Legacy USB Support if you are using an old system with Socket 1156. Select Laptop Support package if you are installing it on a notebook PC. Once done, click Continue, enter admin password for your Mac if prompted, and let UniBeast make a bootable Mavericks hackintosh USB flash drive for your PC.