: Approximately 8.8 GB of available disk space for the installation. Operating System
iMac (Mid 2007 or newer), MacBook (Late 2008 Aluminum, or Early 2009 or newer), MacBook Pro (Mid/Late 2007 or newer), MacBook Air (Late 2008 or newer), Mac mini (Early 2009 or newer), Mac Pro (Early 2008 or newer). Memory: At least 2GB of RAM (4GB or more recommended). Storage: At least 8.8GB of available space. OS Version: OS X 10.6.8 or later installed. How to Create a Bootable USB Installer
Leave the Terminal window completely undisturbed while it copies files. The process is complete when the screen outputs a final line reading Copy complete. Done. Step 5: Executing the El Capitan OS Installation
Opening the downloaded DMG does not install the operating system immediately. It extracts the localized installer file into your Applications library. Mac Os X El Capitan 10.11.6 Installer Dmg Download
Setting up a virtual machine (e.g., in VMware or VirtualBox) for testing legacy software. 3. How to Get the Official DMG (Secure Download)
You download the DMG, open it, and run the package inside. This "installs" the actual "Install OS X El Capitan" app into your Applications folder. 2. The Mac App Store
(Note: This command is often broken on modern macOS versions. It works best on macOS High Sierra or Mojave.) : Approximately 8
If you downloaded the official InstallMacOSX.dmg , you must mount it to extract the installer, but often users want to create a bootable USB drive to install El Capitan on a blank hard drive.
If you are installing on a blank hard drive or want to wipe your old system:
If you have a Mac that ever downloaded El Capitan in the past, you can use softwareupdate : Storage: At least 8
Scroll down to – this will open the App Store on a compatible Mac and download the installer (not a raw DMG, but an .app bundle).
Apple provides two official methods to obtain the full 10.11.6 installer, each with its own advantages. Below we detail both, along with alternative community sources.
(Applications → Utilities → Terminal).