To create a bootable installer, follow these steps:
If you have previously "purchased" Sierra, it will appear in your tab. If not, use the direct browser link: Open Safari. Search for the macOS Sierra App Store link .
: You can fix this by manually changing the system date on your Mac before you run the installer to a time when the certificate was still valid. work download macos sierra 1012 6
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. macOS Sierra (10.12.6) Download - Apple Community
Before we dive into the download process, let's quickly discuss why you might want to download and install macOS Sierra 10.12.6: To create a bootable installer, follow these steps:
This process does not install the OS; instead, it extracts the full application directly into your Applications folder. Step 3: Create a Bootable USB Installer (Recommended)
Before you search for a download, you need to ensure that Sierra will actually run on your machine. Even if you get the file, it won't install on incompatible hardware. : You can fix this by manually changing
| Model | Minimum Compatible Year | |-------|------------------------| | MacBook | Late 2009 or newer | | MacBook Pro | Mid 2010 or newer | | MacBook Air | Late 2010 or newer | | Mac mini | Mid 2010 or newer | | iMac | Late 2009 or newer | | Mac Pro | Mid 2010 or newer |