#El capitan installer dmg how to
We have a separate article that explains how to install old versions of macOS for when you get to that stage of the process. We explain how to get hold of the relevant installer files so that you can install the software on your Mac. In this article we will cover how to get old versions of macOS including Big Sur, Catalina, Mojave, El Capitan, Sierra, Yosemite and even old versions of Mac OS X.
Either way, you have questions and we have answers. Or maybe you just don't like the new version of macOS that you have installed.Īnother scenario is that you are a developer and you need to be running multiple versions of macOS and Mac OS X so that you can be sure that your software runs correctly on them. Perhaps you are relying on software you have discovered doesn't work properly in the latest version. There are a few reasons why you might want to download and install old versions of macOS or Mac OS X. That Mac App Store link isn't working for me! If you're using a Mac notebook computer, plug it into AC power.How to download Sierra, El Capitan or Yosemite It takes time to download and install OS X, so make sure that you have a reliable Internet connection. 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.