Mac Os — Download Iso 64 Bit Link

Then run the installer again.

If you need a 64-bit ISO for a virtual machine (like VirtualBox or VMware), you must first download the official installer and then use the on a Mac to convert it. Step 1: Download the macOS Installer Mac Os Download Iso 64 Bit

Ensure your hardware is compatible. Older Macs may not support the latest macOS versions. Then run the installer again