rw-r-r- 1 user staff 4706541399 Dec 4 19:09 '/macOS Install Data/InstallESDDmg.pkg' rw-r-r- 1 user staff 2124 Jan 8 08:39 '/macOS Install Data/index.sproduct' rw-r-r- 1 user staff 478740408 Dec 4 19:04 '/macOS Install Data/BaseSystem.dmg' rw-r-r- 1 user staff 1948 Dec 4 19:03 '/macOS Install Data/BaseSystem.chunklist' rw-r-r- 1 user staff 2613173 Dec 4 19:03 '/macOS Install Data/AppleDiagnostics.dmg' rw-r-r- 1 user staff 328 Dec 4 19:03 '/macOS Install Data/AppleDiagnostics.chunklist' Before doing that, inspect the download directory: sudo find /macOS\ Install\ Data -type f -exec ls -l \ When the download is complete, the installer will prompt for a system restart.

After that, it will begin downloading to '/macOS Install Data' on the local machine. Click 'Continue', accept the licensing agreement, select the install drive, then the installer will prompt for an admin password. It will launch 'Install macOS High Sierra' after the download completes. From the App Store, grab the High Sierra installer.