

How to reinstall macOS while in Recovery mode If you're running macOS High Sierra or later on a Mac with an SSD, your choices will be some form of APFS.

This is the disk image file that we need to use. Inside, you will see a file called " InstallESD.dmg ". Next, open the " Contents " folder and then the " SharedSupport " folder. After the download is complete, right-click the installer and select " Show Package Contents " to display and access the files inside the installer. Steps to proceedįirst, you need to buy and download the Lion installer from the Mac App Store to a machine running Snow Leopard and compatible with Lion. If you have met the above requirements, you might consider owning Mac OS X 10.7. In addition, in terms of configuration requirements, Mac needs at least 2GB of RAM, 4GB of free space to install and must use new Intel processors such as the Core 2 Duo and Core family. Here's how to install the "lion" (Lion) on a Mac or upgrade from the "snow leopard" (Snow Leopard).įirst, you should note that in order to use Mac OS X 10.7 (Lion), the Mac must have Mac OS X 10.6.6 - 10.6.8 preinstalled (Snow Leopard). Apple has just released the Mac OS X 10.7 (Lion) version via the Mac App Store online.
