sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/SierraUSB --applicationpath /Applications/Install\ macOS\ Sierra.app Use code with caution.
If you are operating from a Windows PC or a Linux machine to build a recovery tool, Apple's direct extractor package might not work properly. Visit the (archive.org). Search for "macOS Sierra 10.12 DMG" . download macos sierra 1012 dmg file install
Before downloading the installation files, ensure your target Mac hardware is fully compatible. macOS Sierra dropped support for several older hardware architectures that ran OS X El Capitan. Supported Mac Hardware Late 2009 or newer MacBook Air: Late 2010 or newer MacBook Pro: Mid 2010 or newer Mac mini: Late 2010 or newer iMac: Late 2009 or newer Mac Pro: Mid 2010 or newer Minimum Specifications Memory: 2 GB of RAM (4 GB recommended) Storage: 8.8 GB of available storage space OS Baseline: OS X Lion 10.7.5 or later to upgrade directly How to Download macOS Sierra 10.12 DMG sudo /Applications/Install\ macOS\ Sierra
A USB 2.0 or 3.0 flash drive with at least of capacity. Search for "macOS Sierra 10
: If you plan to perform a clean install, you will need a USB flash drive with at least 8GB to 16GB of capacity. Creating a Bootable USB
In the macOS Recovery screen, open from the top menu bar and launch Terminal .
Open (Press Command + Space , type "Disk Utility", and press Enter). Select your USB drive from the left sidebar. Click the Erase button at the top. Configure the formatting options exactly as follows: Name: SierraInstaller (Keep it simple with no spaces) Format: Mac OS Extended (Journaled) Scheme: GUID Partition Map Click Erase , then click Done when finished. Step 2: Write the Installer via Terminal Open the Terminal app (found in Applications > Utilities).