Download mac os x 10.7 free mac os x#
Download mac os x 10.7 free install#

Download mac os x 10.7 free mac os x#

When this is finished, your bootable Mac OS X Lion installer drive is complete! You can now boot any Lion compatible Mac with the USB drive, just plug the USB key in, hold down Option during initial boot, and select the drive. Now you wait while the Lion DMG is restored to the USB drive, this can take a while and you’ll see a screen like this:

Download mac os x 10.7 free install#

This is why we mounted the InstallESD.dmg file earlier, because we can just drag and drop the “Mac OS X Install ESD” image into the “Source” – if you didn’t mount the image, you can manually locate and select the image file yourself by clicking on “Image”ĭrag the formatted USB key to the “Destination” and check “Erase destination”īe sure you have the right things in the right places, you don’t want to format the wrong drive – then click on “Restore” Now you need to set the source disk for the restore. Right-click on the USB drive in Disk Utility and select “Restore” Now that the USB flash drive has been formatted to the appropriate filesystem, we are going torestore the previously mounted InstallESD.dmg file to the blank USB drive.

Select your USB drive from the left side of Disk Utility, then click on the “Erase” tabĬhoose “Mac OS Extended (Journaled)” as the Format, and name the USB key what you want Next, we format the USB flash drive, this will become the bootable Lion installer: Open the “Contents” directory and then go into “SharedSupport”ĭouble-click on “InstallESD.dmg” to mount the Lion disk image onto your Mac desktop, it will show up like the image below Right-click (or control-click) on the “Install Mac OS X Lion.app” and select “Show Package Contents” If you have anything stored on the USB flash drive you’re going to lose it, so be prepared for that and back it up.įirst we are going to locate the Lion InstallESD.dmg file and mount it: We’re going to assume you already have Mac OS X Lion downloaded from the App Store, if you don’t, do that first. This is pretty easy to do, but I have made the walk through as simple as possible with plenty of screenshots, so just follow along the instructions.Ī Mac with Mac OS X 10.6.8 so you can download and access Lionĭownload Mac OS X Lion from the Mac App Store

This is similar to the process of making a bootable Lion installer DVD, but I prefer a USB flash drive because it’s faster, smaller, and I have a Mac Book Air so an installation DVD isn’t too useful for me.

I’m going to walk through the process of making a bootable Mac OS X 10.7 Lion installation drive out of any USB flash drive key. Make a Bootable mac USB Installer from a USB Flash Drive