1. Open a new finder window.
2. Press shift + ⌘ + G and write the path: /System/Library/CoreServices/.
3. Copy SystemVersion.plist and paste it to the desktop.
4. Open the SystemVersion.plist on the desktop and change every "10.6.8" to "10.8.4".
5. Overwrite the SystemVersion.plist with the one on the desktop.
6. Open the App Store, then find Prepo and download it.
7. Change the"10.8.4" to "10.6.8"
8. Show the package contents of Prepo and delete everything inside.
9. Install Prepo Contents
10. Unzip Prepo Contents, open the folder and drag everything except for embedded.mobileprovision into the application
11. Drag embedded.mobileprovision beside the contents folder
12. Restart.
