In addition to hardware compatibility, your Mac must have at least and 8.8 GB of available storage .
Follow the prompts to upgrade or install the OS. 4. Creating a Bootable USB Installer (Advanced)
Enabled users to copy text or images on an iPhone and paste them directly onto a Mac, and vice versa. Auto Unlock:
Follow the on-screen prompts. This does not install the OS yet; it extracts the "Install macOS Sierra" application into your Applications folder. Download Mac Os Sierra 10.12 Dmg
Type the following command to reset the date to September 20, 2016: date 0920170016 Use code with caution.
Once you have downloaded the file, follow these steps to initiate the installation: Open the DMG: Double-click InstallOS.dmg .
Inside, you will find a file named InstallOS.pkg . Double-click it to run it. In addition to hardware compatibility, your Mac must
To boot from your newly created USB drive and install the operating system, follow these steps: Shut down the target Mac completely. Insert the bootable Sierra USB drive into a USB port.
A virtual disk volume will mount on your desktop, revealing an inner file named InstallMacOSX.pkg .
After successfully installing macOS Sierra, remember that it is a legacy operating system. Apple no longer provides security updates for Sierra, so avoid using it as a daily driver for sensitive online activities unless it is strictly necessary for specific legacy software. If your hardware supports it, consider upgrading to macOS High Sierra (10.13) or newer to benefit from ongoing security patches and modern file system (APFS) support. Creating a Bootable USB Installer (Advanced) Enabled users
Follow these steps to get the full installer into your Applications folder: Download the DMG : Use Safari to download the macOS Sierra DMG Open the DMG : Double-click the downloaded file to find a package file named InstallOS.pkg Extract the Installer : Double-click the file and follow the onscreen instructions. This does
Go to your directory and double-click InstallMacOSX.dmg .
Terminal will now copy the installer files to your USB drive. Once completed, the terminal will display "Done." How to Install macOS Sierra from the USB Drive