Press , type your Mac password, and confirm the erase action by typing Y and pressing Enter.
If you or anyone in your Apple ID family previously downloaded High Sierra when it was current (2017–2019), the installer may still be in your purchase history.
The preference pane will open. Confirm the download.
Released in 2018, is the final version of High Sierra. It’s widely considered a stability and performance update rather than a feature-packed release. If you need to run older 32-bit apps (Mojave and later dropped support) or have a pre-2012 Mac that can’t go newer, 10.13.6 is your last viable modern-ish OS.
First, let's understand what you're downloading. macOS High Sierra (version 10.13) was a major leap forward when it launched. It was the first version to introduce the new , a modern file system designed for solid-state drives (SSDs) that significantly improved the speed, security, and organization of data on your Mac.
If you prefer using Terminal, Apple’s software update catalog still holds the High Sierra installer. This method downloads a .dmg directly.
When prompted to confirm erasing the drive, type Y and hit .
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