You must from an official macOS installer (legally obtained).
hdiutil create -o /tmp/Installer -size 16384m -volname macOS_Installer -layout SPUD -fs HFS+J
This occurs because macOS’s built‑in Gatekeeper security feature blocks unsigned or third‑party software. To bypass it temporarily, right‑click the installer or ISO and select Open, then confirm that you wish to run it anyway. For a permanent solution, disable Gatekeeper in Recovery Mode or use the official installer creation method described earlier.
Apple packages its operating system installers as .app bundles or .dmg files. These formats are designed exclusively for the Apple ecosystem. Mac Os Download Iso 64 Bit
macOS requires specific configuration tweaks to run smoothly on non-Apple hardware: Allocate at least 2 to 4 CPU cores.
Create a new virtual machine, select as the type, and choose the 64-bit version.
Every modern version of macOS is natively 64-bit. Apple officially dropped all support for 32-bit applications and hardware architectures with the release of macOS 10.15 Catalina in 2019. If you are downloading any version from macOS High Sierra onward, it is inherently a 64-bit operating system. DMG vs. ISO Format You must from an official macOS installer (legally obtained)
Many users seeking a macOS ISO file do not own a physical Mac. This limitation leads people to look for pre-compiled ISO files on third-party websites, tech forums, or torrent platforms. The Risks of Third-Party ISOs
Third-party downloads are rarely updated to the latest minor security patch, leaving your virtual system vulnerable. Safe Habits for External Downloads
Download and install an unlocker tool (such as Auto-Unlocker or Unlocker) to patch VMware so it recognizes macOS guests on Windows hardware. Create a new Virtual Machine and choose . For a permanent solution, disable Gatekeeper in Recovery
You cannot directly "download an ISO" from Apple. Instead, download the official installer via the App Store on a real Mac.
Use the createinstallmedia command inside the .app bundle. Replace MyVolumeName with the actual volume name:
Look in your /Applications folder for a file named Install macOS [Version Name].app . Method 2: Using Terminal Commands
Additionally, per Apple's End User License Agreement (EULA), running macOS on non-Apple branded hardware is a violation of their software terms. Virtualization should be reserved for educational purposes, software testing, and app development.
: For older versions like Sierra or El Capitan, Apple provides direct .dmg download links on their Support Page.