Mount the image: hdiutil attach /tmp/Mojave.dmg -noverify -mountpoint /Volumes/Mojave
A: We strongly advise against it. 99% of websites offering "direct download ISO" are scams or malware traps. Create your own using the steps above—it’s free and safe.
The file will have a .cdr extension. Rename it:
Do not use random third-party converters. Use Terminal (built into every Mac). Here’s the safe script:
Apple hides old macOS versions on the App Store. Use this direct link to launch the App Store: macOS Mojave on the Mac App Store