Download the installer, which downloads as InstallMacOSX.dmg .
: This technology improves system-level graphics rendering by up to 50%, making games and professional apps more efficient. mac os x el capitan 10.11 6 iso download 720p
El Capitan supports displays that can output a 1280 × 720 resolution (standard 720p) or higher. Download the installer, which downloads as InstallMacOSX
If you try to install El Capitan and get an error stating "This copy of the Install OS X El Capitan application cannot be verified," your Mac's system clock is likely too far in the future. To fix this, open Terminal during the installation setup and type date 0201000016 (which rolls the system clock back to February 2016) before continuing. If you try to install El Capitan and
This happens because Apple’s security certificates inside the El Capitan installer expired years ago. You can easily bypass this by tricking the installer into thinking it is still running in 2016. How to Fix:
If you are on a Windows PC attempting to recover a broken Mac, a raw ISO cannot simply be dragged onto a flash drive. You must use a specialized tool like or BalenaEtcher to flash the image onto a USB drive (minimum 16 GB formatted to the GPT partition scheme).
: A community-preserved version of the installer. Use caution and verify files when downloading from third-party sources. How to download and install macOS - Apple Support