... ready to installyour fresh version of OS X Mountain Lion.Once the Disk Utility has finished doing itsthing, click on the red close button in the topleft hand corner of the window to return to ... the option to restore from aTime Machine backup, an option to reinstallOS X (which we’ll get to in a minute), theoption to use Safari for troubleshooting, and,finally, the option to start the ... partition)when asked where you want to install OS X.The installer will take care of the rest, andafter 20 minutes or so you’ll be booting intoyour shiny new installation of OS X MountainLion!...