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I downloaded Mountain Lion from App Store and installed it.

I have not set Time Machine and I installed Mountain Lion one hour ago (since posting this question).

The dmg file is not in Applications folder anymore.

How to recover Mountain Lion's dmg file after installation?

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3 Answers 3

up vote 5 down vote accepted

After Mountain Lion is installed, your Mac auto-deletes "Installer Mountain Lion.app". So before installs or upgrades like that, you must make a backup (compress it and move file compressed to anywhere, where you put storage data).

And now, you need to download "Installer Mountain Lion.app" again from the App Store.

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No way to recover deleted file? –  AHHP Aug 2 '12 at 7:54
    
As long as time machine is not configurated to backup aplication foler, no, it is not possible. –  Daniil Aug 2 '12 at 8:08
    
even via recovery apps? –  AHHP Aug 2 '12 at 9:14
3  
You could theoretically use a data recovery application to get it back, but quite a bit easier to just redownload from the app store. –  jmlumpkin Aug 2 '12 at 12:42
    
where exactly is the file located when downloaded from Mac app store? –  carbonr Oct 23 '13 at 8:13

If you open the app store, you'll see the purchase button next to Mountain Lion now says "Download", or you can find it in the purchases section. You have to re-download it but at least you don't have to pay for it again ;-)

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Yere if you download the app its invisably stored into your MacBook

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We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

    
can you explain where on the MacBook the original download is stored? –  Graham Miln Mar 22 '13 at 12:46

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