Lesson 1Install OS X El Capitan

GOALS

Prepare a computer for an upgrade to OS X El Capitan

Prepare a computer for a new installation of OS X El Capitan

Successfully upgrade or install OS X El Capitan

Troubleshoot potential installation problems

Every Mac computer has some version of OS X preinstalled when it’s built, usually the latest available at the time. Thus, every Mac will at some point need a later version of the operating system to provide the latest features and updates, and because OS X El Capitan is free, anyone with a qualifying Mac computer can upgrade at no cost. This lesson guides you through both upgrading an existing system and performing a new installation. It also includes troubleshooting issues that may arise during ...

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