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If you're using a Mac notebook computer, plug it into AC power. Download from a Mac that is compatible with the macOS youre downloading. It takes time to download and install OS X, so make sure that you have a reliable Internet connection. Installer for OS X El Capitan or later Download a macOS installer using the App Store or your browser To get the full installer, your Mac must be using the latest version of OS X El Capitan, the latest version of macOS Sierra, or any later version of macOS. Time Machine makes it simple, and other backup methods are also available. If your Mac isn't compatible with OS X El Capitan, the installer will let you know.īefore installing any upgrade, it’s a good idea to back up your Mac. To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . Mac Pro introduced in early 2008 or later Mac mini introduced in early 2009 or later MacBook Pro introduced in mid 2007 or later MacBook Air introduced in late 2008 or later

MacBook introduced in 2009 or later, plus MacBook (13-inch, Aluminum, Late 2008) Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.

You can upgrade to OS X El Capitan from OS X Snow Leopard or later on any of the following Mac models. OS X El Capitan remains available for Mac computers that can't upgrade to macOS Catalina, Mojave, High Sierra, or Sierra, or that need to upgrade to El Capitan first.