Location of OS X Mountain Lion download file

After purchasing Mountain Lion OS (10.8) from the App Store for $20, the installer begins to download. If you’ve ever wondered or needed to know where the file download is, I’ve been able to locate it during the download (maybe uniquely named). I used a program called EasyFind with the parameters: Search For: *.*, Only Files, Operator: UNIX-Wildcards, Include: Package Content & Invisible Files & Folders. I sorted by SIZE and watched for the largest file to appear at the top of the search window and kept refreshing the list. The main file is called mzm.whodaifs.pkg.

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Once finished though, immediately the folder above with the four downloaded files are removed and the installer is placed in your hard drive in the /Applications folder called Install OS X Mountain Lion. Once you launch this installer and finish with the installation, the installer is deleted. If you want to keep the file and create a USB installer for future use, select on the App, right click and select show package contents. Navigate into the Contents -> SharedSupport and copy the InstallESD.dmg file to your desktop or other location.

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