To download Mac OS X 10.11 El Capitan, the safest and most reliable method is to obtain it directly from Apple Support
System Recovery: If a Mac’s hard drive fails, having a physical ISO or USB installer is often the only way to reinstall the OS. Official OS X 10.11 El Capitan Download Link mac os x 1011 el capitan iso download link
The good news is that Apple still provides a direct download link for El Capitan, although it's not easily accessible through the Mac App Store. To get started, follow these steps: To download Mac OS X 10
Direct Download Link (Torrent)
Follow the prompts to "install" the file. This does not install the OS; it extracts the Install OS X El Capitan app into your Applications folder. 3. Creating Bootable Media On a Mac (USB) This does not install the OS; it extracts