create the ISO yourself using the official installer. It takes about 30 minutes, requires no third‑party software, and guarantees a clean, unmodified system.
hdiutil convert /tmp/Installer.dmg -format UDTO -o ~/Desktop/macOS_Sonoma Mac Os Download Iso 64 Bit
50 GB to 100 GB of free space (Preferably on an SSD). create the ISO yourself using the official installer
You now have a clean, legally obtained macOS ISO 64-bit file sitting on your desktop, ready to transfer to your Windows or Linux PC. Method 2: Sourcing Pre-Made macOS ISO Files (Windows Users) You now have a clean, legally obtained macOS
Before diving into how to get or create one, it is worth clarifying what "Mac OS" really refers to. The classic "Mac OS" brand was used for older versions up to 10.7 Lion. With 10.8 Mountain Lion, Apple introduced the "OS X" brand, and with 10.12 Sierra, it changed to "macOS". This guide covers all 64‑bit versions, from OS X 10.8 Mountain Lion to the latest macOS releases.
mv /tmp/Sonoma.cdr ~/Desktop/Sonoma.iso Use code with caution.
If the App Store is unavailable, use the following Terminal command to download the full installer directly from Apple's servers: