El Capitan: Download _best_

: Minimum 2GB of RAM (4GB is recommended for smoother performance). Storage : At least 8.8GB of available disk space . Compatible Models : MacBook : Late 2008 (Aluminum) or Early 2009 and newer. MacBook Pro : Mid/Late 2007 and newer. MacBook Air : Late 2008 and newer. iMac : Mid 2007 and newer. Mac mini : Early 2009 and newer. Mac Pro : Early 2008 and newer. Official El Capitan Download Methods

OS X El Capitan (version 10.11) remains a vital bridge for older Mac hardware, often serving as the final supported operating system for legacy machines or a necessary stepping stone for those upgrading from Snow Leopard. While Apple has officially moved on to newer releases, the is still accessible through specific official channels. System Requirements for OS X El Capitan el capitan download

Visit the official Apple Support page for macOS downloads to find the El Capitan link. Download the InstallMacOSX.dmg file. : Minimum 2GB of RAM (4GB is recommended