sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/SierraInstaller --applicationpath /Applications/Install\ macOS\ Sierra.app Use code with caution. Press .
You have three options once the is ready: download macos 1012 sierra full
Click the official Mac App Store link for macOS Sierra (available via Apple’s support documentation). sudo /Applications/Install\ macOS\ Sierra
Downloading version is not as straightforward as newer OS downloads, but with the official Apple CDN link or Terminal command, you can get a complete, safe installer. Whether you need Sierra to run legacy software, support old hardware, or just prefer the classic interface, following this guide ensures you avoid stub files and corrupted downloads. Downloading version is not as straightforward as newer
Just having the Install macOS Sierra.app is not enough if you need a recovery drive. Here’s how to turn that download into a :
If you downloaded the .dmg file from Apple's support page, you will notice it is an installer package inside a disk image, not the actual "Install macOS Sierra.app" yet. You must extract it first.
If you have previously "purchased" or downloaded Sierra using your Apple ID, it may still appear in your Purchased tab within the Mac App Store. System Requirements for macOS Sierra