Always scan any third-party ISO with VirusTotal before opening. Better yet—invest the 20 minutes to create your own ISO using the official method.
Modern Macs run on Apple Silicon (M1, M2, M3 chips) and macOS Sonoma. So, why is the search term "Mac Os X El Capitan 10.11 6 Iso Download" so popular? Mac Os X El Capitan 10.11 6 Iso Download
Convert the resulting .cdr to .iso : hdiutil convert /tmp/ElCapitan.cdr.dmg -format UTOI -o ~/Desktop/ElCapitan.iso . Always scan any third-party ISO with VirusTotal before