

Move the ESDInstall.dmg file from your Finder desktop to Disk Utility, as shown below. Double-click to open it.ĭouble-click the Disk Utility icon to open it. Open the Applications folder in Finder and locate the Utilities folder. Doing so endangers the installation application. Switch to Finder and paste the file to your Desktop.

Right-click the InstallESD.dmg file and hit Copy. If you backed up the installation file as instructed and don't see it here, find the backup.Īpple, which is selling a $70 USB install disk of its own in August, destroys this file at the completion of most installations. Here you'll find the InstallESD.dmg inside the ShareSupport folder. Inside the Contents folder you will find a SharedSupport folder.
