12+ Os X Lion Usb Thumb Drive Specifications Pictures. Choose the usb drive to install os x lion from. If you already have the mac os x mountain lion install dmg extracted, skip this first set of steps and jump directly to making the bootable drive below.
Just plug the drive into your usb port and follow the instructions to install. Guide includes os x 10.8.x to macos 11.0.x. To create an apple mountain lion bootable usb installation you will need poweriso and an apple os x installation in iso click start and wait for your usb drive to become ready.
Os x lion is also available for a lower price as a digital download from the mac app store.
If you have a mac, you've probably been anticipating the release of os x mountain lion. Easily check which versions of mac os, ios, ipados, or watchos are compatible with your mac model or idevice. Hold option/alt after your see the apple logo appear and boot with the thumbdrive in your mac. A version of the macos operating system.