1012 Sierra Full [top] — Download Macos

┌─────────────────────────────────────────────────────────┐ │ BOOTABLE USB CREATION │ ├─────────────────────────────────────────────────────────┤ │ 1. Format an 16GB+ Flash Drive to Mac OS Extended │ │ 2. Name the drive "SierraUSB" │ │ 3. Run the 'createinstallmedia' string in Terminal │ └─────────────────────────────────────────────────────────┘ Step-by-Step Terminal Method Plug in a USB flash drive (minimum 16 GB capacity).

Then, change your Mac’s date to via System Settings, run the installer, then change the date back. download macos 1012 sierra full

At least 2GB of memory and 8.8GB of storage space. 3. Creating a Bootable Installer (Optional but Recommended) run the installer