Before you download, ensure your Mac can handle 10.11. El Capitan supports most Macs that were able to run OS X Mavericks or Yosemite.
This guide covers the system requirements, official download methods, and important considerations regarding installation. download os x el capitan 10.11
Apple no longer issues security updates for OS X El Capitan. It contains unpatched vulnerabilities. Before you download, ensure your Mac can handle 10