I have a compatible macbook pro (late 2008) for OS 10.11 and wish to upgrade from OS 10.8.5

The download was fine (6.2gb) and the installer began by saying 'will take 7mb of space'. I ran the installer from my downloads folder anyway thinking there might be a mistake in the notification, but alas it hasn't installed the new OS (despite saying 'installation was succesful').

How can I see the log file when I run the installer to find out an error to fix?


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