Note: macOS 10.12 Sierra is no longer supported by Apple and is considered obsolete. This post includes the necessary security warnings and workarounds.
This process is based on the official procedures provided by Apple up to my last update. If you're encountering issues or if your Mac model is not compatible with Sierra, consider exploring upgrading your Mac or consulting Apple Support. download macos 1012 sierra full
Before proceeding with the installation, verify that your hardware is compatible. macOS Sierra requires at least 2 GB of RAM and 8.8 GB of available storage space. Supported Mac models include: Late 2009 or newer MacBook Air: Late 2010 or newer MacBook Pro: Mid 2010 or newer Mac mini: Mid 2010 or newer iMac: Late 2009 or newer Mac Pro: Mid 2010 or newer How to Create a Bootable USB Installer Note: macOS 10
The file located inside your Applications folder. Step-by-Step Creation Guide Plug your USB drive into your Mac. Open Disk Utility (Applications > Utilities). If you're encountering issues or if your Mac
You can download these updates directly from Apple Support: