Upgrading MAC OS X Lion 10.7.5 (11G63b) to Mountain Lion 10.8.4 (12E55)
Locate the “Install OS X Mountain Lion.app” and Launch it Click on Agree for EULA acceptance after reading the complete EULA Response Agree to confirm prompt Installer will present you with the disk details on which it’s going to install the MAC, verify and then click “Install” Authenticate this operation as an administrator user You’ll be presented with a progress bar showing up Preparation status Then click on Restart for the OS X install to trigger upon start up Choose “Close Other Applications…” to let the restart to take place Upon Successful installation, your system loads with Mountain Lion […]
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