, it is highly recommended to use official Apple sources rather than third-party mirror sites, which may distribute corrupted or modified files. Official Download Methods
If you need to perform a clean install or recover a crashing Mac, creating a bootable USB installer is the best approach. You will need a USB flash drive with at least 12GB of storage. Open Disk Utility (Applications > Utilities). Select your USB flash drive from the left sidebar. Click Erase . Name the drive ElCapInstaller . mac os x el capitan 10116 installer dmg download fixed
Run this in Terminal: sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app , it is highly recommended to use official
Open your folder. You will now see an application named Install OS X El Capitan . Step 2: Run the Installation Open Disk Utility (Applications > Utilities)