While standard users typically updated through the "Updates" tab in the Mac App Store, downloading a standalone DMG file offers distinct advantages:

Before downloading and installing macOS High Sierra 10.13.1, ensure that your Mac hardware is officially supported. Supported Mac Hardware Late 2009 or newer MacBook Air: Late 2010 or newer MacBook Pro: Mid 2010 or newer Mac mini: Late 2010 or newer iMac: Late 2009 or newer Mac Pro: Mid 2010 or newer Minimum Hardware Specs

This update brought over 70 new emoji characters to the Mac, including more diverse food types, animals, mythical creatures, and clothing options.

Select the volume and press Enter.

The update addressed an issue where some Photos libraries failed to open or sync properly with iCloud Photo Library. It also stabilized the sidebar navigation and editing tools within the native application. 5. Enterprise and Bluetooth Fixes

If you own a Hackintosh (a non-Apple computer running macOS) or an older Mac not on this list, you may still be able to install High Sierra using unofficial patching tools, but this is not recommended for daily use or mission-critical work.

Certain legacy professional software suites (like older versions of Adobe Creative Cloud or Final Cut Pro) run best on High Sierra and may break on newer versions like macOS Monterey or Ventura.

Insert the USB into the Mac, restart, and hold down the Option (Alt) key. Select the USB installer.

Are you planning to install this on a or a virtual machine ?

Choose your primary hard drive (Macintosh HD) and proceed with the installation.

Back up any existing data on the flash drive; this process completely erases it. Step-by-Step Instructions: Plug your USB drive into your Mac.

Added over 70 new emoji characters, including mythical creatures and more diverse food and clothing items. Security Fixes:

You now have a clean, bootable macOS High Sierra DMG file on your desktop. Creating a Bootable USB Installer

Resolved a bug where Touch ID preferences were sometimes inaccessible on MacBook Pro models. Why Use High Sierra in 2026?

Stabilized the new, architecture-optimized file system featuring built-in encryption and crash protection.

Name your drive, choose or APFS as the format, and select GUID Partition Map as the scheme. Click Erase, wait for completion, then close Disk Utility. Step 4: Run the Installer

: Your Mac must be running OS X Mountain Lion 10.8 or later. macOS High Sierra Compatible Macs and System Requirements