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Remember to respect capital letters and spaces, essential for the terminal to recognize the commands. We mount the image (double click) and, since we are going to need the hidden files to be visible, we will open the Port and we will execute the following command: defaults write AppleShowAllFiles True and restart Finder with KillAll Finder. We scroll through Contents -> Sharedsupport and drag the InstallESD.dmg image to the desktop We open the Applications folder and, on the installer icon OS X Mavericks, we show the contents of the package by right clicking on it. 2 Install Mavericks OS X from USB created (and optionally dump from our Time Machine backup).Ĭreating an installation USB with OS X Mavericks.1 Creating an installation USB with OS X Mavericks.Installing OS X Mavericks from created USB (and optionally dump of our Time Machine backup) Once this is done, we will follow two steps:Ĭreating a bootable USB with the new operating system The first thing will be to make a backup with time Machine (It is the most recommended for its perfect integration with Mac but you can also use any other that you are used to) for, once installed Mavericks, dump that backup and let our Mac It remains just as we had it before, as well as download the installer from OS X from the Mac App Store. We will eliminate possible corrupt files, system garbage, etc.Īnd as a consequence, our Mac will flow much lighter, and even more so considering the greater fluidity of OS X Mavericks regarding Lion or Mountain Lion. The reason is the enormous advantages that this type of installation supposes: Personally, from OS X Lion I always install from scratch, even when we've already had a couple of updates to the same operating system, I usually repeat the process. With the advent of the new desktop operating system Apple, OS X 10.9 Mavericks it is normal that we face the dilemma of directly updating our Mac or carry out a clean installation, from scratch.