
After that, the disk image will appear in the Source field or if not, drag it into it. Step 7 : Select the InstallESD file in Disk Utility and click the Restore tab shown in the Disk Utility master window. to create a new partition then set up the first partition of size 4.8GB. You can partition the drive by selecting the drive and using the Partition card to split it into two logical partitions (one contains Mountain Lion installer and the other partition for secondary storage) by clicking the plus button. Step 6 : Plug in a USB or FireWire drive with at least 6GB of space on the device. If you want to create an installation drive with USB or FireWire, continue to step 6.

Step 5 : In Disk Utility select InstallESD.dmg file and then click Burn icon in Disk Utility to burn the image file to DVD (the 1-layer disks with 4.7GB capacity do not have enough storage space so please use those Double layer disk capacity of 8.5GB). Step 4 : Open Disk Utility (in Applications> Utilities folder) and drag the image file InstallESD to the device sidebar. Step 3 : In the new window that opens, go to the Contents Contents> SharedSupport folder and find the file called InstallESD.dmg. Step 2 : Right-click the Install Mac OS X Mountain Lion application in the Applications folder and select Show package contents. In this case, you can go to the Purchases section in the App Store and reload the installer. If you already have Mountain Lion installed, the installer will automatically be deleted from the computer. Turn off the installer (press Command + Q ) and go to the Application folder on the machine. Step 1 : Buy and download Lion from Mac App Store and after downloading, the Mountain Lion installer will download. Therefore, to create an installation USB OS X 10.8, follow these steps:

However, when following the same steps as Lion, you may encounter some obstacles that prevent the drive from being created.

The process of creating a drive with OSX 10.8 is similar to OS X Lion. In addition, when this OS will use many different Apple Internet recovery options, this will take a long time to load, especially if users do not have high-speed broadband connections. With OS X Lion, Apple seems to be releasing USB drives with bootable Mountain Lion (bootable), but this will cost more than downloading from the App Store. You can also create a separate installation drive for Mountain Lion.

Apple has released OS X 10.8 Mountain Lion operating system and users can download it from the Mac App Store on machines running OS X 10.6.6 or higher.
