Apple does not publicly host old DMG files on their main website. However, you can still obtain the official installer through:

  • Purchased Apps in Mac App Store

  • GibMacOS (Developer/Advanced users)

    • ❗ Avoid random torrents or third-party sites – they may contain modified DMGs with malware.

    When Apple released High Sierra in 2017, it wasn't about flashy new emojis or a visual overhaul (that would come later with Mojave and Big Sur). It was a "to-the-metal" update. It introduced APFS (Apple File System), replacing the decades-old HFS+.

    This was a massive change. It changed how data was stored, cloned, and encrypted. High Sierra 10.13.1 was the first major stability patch for this new file system. For anyone running hardware from that era—think MacBook Pros from 2015-2017—this specific DMG is often the "gold standard" for a clean installation that feels snappy and reliable.

    One of the main reasons High Sierra remains legendary is its relationship with 32-bit apps. While Mojave (10.14) was the last version to support 32-bit apps, High Sierra was the last version where they ran without constant warning nags.

    If you have a library of vintage games like Civilization IV, old Adobe Photoshop versions, or obscure productivity apps that were never updated to 64-bit, a machine running High Sierra 10.13.1 is essentially a time capsule that keeps that software alive. It is the final stop on the line for a massive era of Mac software history.

    Do not download the macOS High Sierra 10.13.1 DMG unless your hardware meets these minimums. Installing on unsupported hardware will result in a prohibited sign (🚫) on boot.

    Supported Macs:

    Hardware Prerequisites: