Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.Plug in the USB stick and launch Disk Utilities.When it’s finished, the installer will launch.Download macOS High Sierra from the App Store.Is my Mac too old to update? How do I put macOS High Sierra on USB?.Do I need to keep Install macOS High Sierra?.How can I download high Sierra installer without App Store?.Why can’t I download High Sierra on my Mac?.Can I still download macOS High Sierra?.How do I download macOS High Sierra installer?.How do I install macOS High Sierra from USB on Windows?.How do I download High Sierra to a flash drive?.
