![]() When the DVD is done burning, it will automatically eject. This process could take 20 minutes or more. Insert a blank DVD, and click the Burn button. Select InstallESD.dmg and then click on the Burn icon in Disk Utility. ![]() Now you’ll have a bootable OS X Lion image on USB. Warning: This will erase all contents on your USB drive! Navigate in the Finder to Applications>Utilities and launch Disk Utility.Ĭlick and drag your USB drive (in this case it’s called “8.03 GB Corsair Voyager”) into the Destination field. You’ll have to wipe the drive in order to put the Lion installation on it. ![]() Note: You’ll first want to save all information on the drive. If you wish to use DVD, then skip to the part where you’ll insert your DVD. First I’ll show you how to do this using a USB drive. This is where you’ll have the choice to either create your Lion installation on a USB drive or a DVD. Navigate to Applications>Utilities in the Finder and launch Disk Utility. Then click on Edit again and choose Paste Item. Now, with this file selected, click on Edit in the menu bar at the top of the screen, and select Copy InstallESD.dmg.Ĭlick on your desktop wallpaper so the menubar at the top says Finder. Now hold down the control key while clicking on the Install Mac OS X Lion icon, and choose Show Package Contents.įind and double-click on the Shared Support folder.Ĭlick once on the InstallESD.dmg file to select it. Once it’s done downloading, go to the Finder and look for the Install Mac OS X Lion icon in the Applications folder. This will take some time, so you might want to do something else and come back to it awhile later. it should say Get or Download, this will download the Install macOS High Sierra.app to your Downloads folder. If you want to download High Sierra then your link connects you to the App Store High Sierra page. ![]() It will be located on the right hand side under Quick Links.Īfter clicking download, you’ll be taken to Launchpad (if you’re already using Lion). Install MacOSX.dmg contains the files to install Mac OS X El Capitan. Click on Continue, select the destination drive, and install.First launch the Mac App Store and find OS X Lion. Select the orange “Mac OS X” option and you will boot into the OS X Mountain Lion installer, from here installation is the same as normal. When finished, reboot the Mac and hold down the Option key to bring up the boot menu:
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