![]() See the Technical Specifications for the full list of requirements. The latest supported software version is noted next to each model. You can install Mac OS X Lion on any of these Macs. Mac OS X Snow Leopard 10.6.6 or later or Mac OS X Lion 10.7 already installed.After that choose to install Lion from the menubar.Mac OS X Lion 10.7 is available for older systems that are not compatible with the latest version of macOS. Once your Mac has booted from the recovery partition/usb you may have to pass a setup for your language preferences first. Upon boot you hold ⌥ and choose the recovery disk. Using this method, an install of Lion requires an internet connection. Apples offers the Lion Recovery Disk Assistant to create your own Lion install USB.This will display all options of where your Mac can boot from. The recovery partition exists on every Mac that came shipped with Lion or had Lion installed as a clean install. In order to directly boot into the recovery partition. The OS X Lion download is about 4 GB large. OS X Lion isĭownloaded over the Internet from Apple when Lion Recovery is used for The Internet via Wi-Fi or an Ethernet connection. Reinstalling OS X Lion via Lion Recovery requires broadband access to Lion Recovery (requires internet connection) You can boot into your DVD or flash drive from there. Reboot into OS X and hold the option key when you hear the startup chime. Hit the “Apply” button and it will create your bootable USB drive. Hit the “Apply” button when you’re done to format your drive (note: it will erase everything on the drive).Ĭlick on the “Restore” tab, choose the InstallESD.dmg file as the source and your flash drive as the destination. You’ll need this to make the drive bootable on a Mac. Hit the “Options” button under the partition table and choose “GUID Partition Table”.Choose “Mac OS Extended (Journaled)” on the left. Go to the Partition tab and select “1 Partition” from the dropdown menu. If you want to burn Lion to a USB flash drive, plug it in and click on it in the left-hand sidebar in Disk Utility.If you’re burning it to a DVD, insert your DVD, select the disk image in the sidebar, and hit the “Burn” button. Open up Disk Utility and drag the DMG file into the left-hand sidebar.Navigate to Contents/SharedSupport and look for a file called InstallESD.dmg. Right-click on the installer and hit “Show Package Contents”.The installer should show up in your Applications folder. Buy and download Lion from the Mac App Store. ![]() Create a bootable OS X Lion USB stick or DVD based on the Mac App Store download
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