
$ sudo vim /System/Library/CoreServices/istĮdit the file changing 10.8 to 10.7 for the following linesįind the lines in the file that look like this. So to avoid nonsense like the following Duplicate message below, use an editor thats less aware of OS X file versioning. Open the ist file with sudo privileges I used vim but feel free to use your favorite command line text editor, some GUI program like TextEdit seem to complain of locked files, etc a.k.a ".a bag of hurt." Here is what we are you are going to do Temporarily trick OS X Mountain Lion into thinking it is Lion.

#Difference between lion and mountain lion mac download
Super User Hack: Yes its possible to download Lion from Mountain Lion if you perform the following hack, as usual proceed at your own risk. Once you meet the requirements for OS X Lion the Mac App Store will allow you to download an already purchased version of OS X Lion. This limits downloading OS X Lion to a Mac running OS X Lion 10.7, or OS X Snow Leopard 10.6.6 or later.

The Lion re-download started immediately on a Mac running OS X Lion 10.7.4Ĭonfirming, you will need to download the "OS X Lion" Installer from a computer not running Mountain Lion.

I Attempted to Download OS X Lion from a Mountain Lion Mac but no amount of option key tricks could get it to work. I would like to be proved wrong, but the results around the web such as Apple Support Communities - How do I download Lion if I'm running Mountain Lion? kind of confim you can no longer just download 10.7 from a Mac running 10.8. Unfortunately, it is not possible to download OS X Lion 10.7 from a computer currently running OS X Mountain Lion 10.8 unless you want to do a little hacking see below for more on that.
