You can now quit Terminal and eject the volume.How to do a clean install of macOS Sierra When Terminal says that it's finished, the volume will have the same name as the installer you've downloaded, such as Install macOS Monterey.After the volume has been erased, you may see an alert stating that Terminal would like to access files on a removable volume.Terminal displays the progress as the volume is being erased. When prompted, type Y to confirm that you want to erase the volume, then press Return.
Terminal doesn't show any characters as you type your password.
#HOW TO INSTALL NEW MAC OS SIERRA PASSWORD#
Connect the USB flash drive or other volume that you're using for the bootable installer.You will create the bootable installer from this app, not from the disk image or. It will install an app named Install OS X El Capitan into your Applications folder. Inside the disk image is an installer named InstallMacOSX.pkg.
#HOW TO INSTALL NEW MAC OS SIERRA DOWNLOAD#
Download using Safari and open the disk image on a Mac that is compatible with OS X El Capitan.The installer for OS X El Capitan will be downloaded to your Downloads folder as a disk image named InstallMacOSX.dmg. Enterprise administrators: download from Apple, not a locally hosted software-update server.Download on a Mac that is using macOS Sierra 10.12.5 or later, or OS X El Capitan 10.11.6.Download on a Mac that is compatible with that version of macOS.If the installer opens after downloading, close it without continuing the installation process. The installer for macOS Monterey, macOS Big Sur, macOS Catalina, macOS Mojave or macOS High Sierra will be downloaded to your Applications folder as an app named Install macOS.