Right-click the.app - 'Show Package Contents' 3. Next step - How to install OS X El Capitan on Mac. You can download OS X 10.11 version for your Macs. OS X El Capitan Download links spreads on the web. Realizamos tus ideas brindando la mayor excelencia y calidad con nuestro conocimiento creativo, obteniendo buenos resultados conforme a tu necesidad. MAS will now download it from the local server at a high speed. Now, launch the Mac App Store, go to the El Capitan page or Purchased tab and download OS X El Capitan from there.