What is the easiest way to upgrade a 2011 iMac to Mountain Lion, including a full drive reformat?
I also have a new MacBook which was purchased with Mountain Lion. Do I still need to buy Mountain Lion for the iMac?
Booting with Cmd-R will allow a http://support.apple.com/kb/HT4718
Here are some ideas:
Buy Mountain Lion in app store, then upgrade, then boot with Cmd-R to reset the drive.
Like #1, but first do the Cmd-R to reset the system, and then buy Mountain Lion in app store to upgrade.
Create install DVDs from Macbook Pro with Mountain Lion (how?) although I'd to use another machine to burn the DVDs. Or maybe use an external USB hard drive?
Update: I found this program http://liondiskmaker.com/ And this which suggests how to get the image on a new mac that has mountain lion http://hints.macworld.com/article.php?story=20110831105634716