Before you spend time downloading, ensure your hardware is compatible. El Capitan generally supports: Early 2008 or newer MacBook Air: Late 2008 or newer MacBook Pro: Mid 2007 or newer iMac: Mid 2007 or newer Mac Mini: Early 2009 or newer Mac Pro: Early 2008 or newer Safety Warning: Avoid Third-Party Sites
Once you have the installer in your Applications folder, the best way to use it is by creating a bootable USB drive. This allows you to perform a "clean install," which wipes away years of system junk. A USB drive with at least 12GB of space. Mac Os X El Capitan 10.11.6 Installer Dmg Download
The "Install OS X El Capitan" app in your Applications folder. Before you spend time downloading, ensure your hardware
Improvements in app launching and PDF rendering via Metal. A USB drive with at least 12GB of space
Released in July 2016, version 10.11.6 was the final "polishing" update for El Capitan, focusing on security, stability, and compatibility. Here is everything you need to know about downloading and installing it safely today. Why El Capitan Still Matters
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
Apple often provides this as a .dmg file containing a .pkg installer.