What Disk Do I Need to Install macOS High Sierra?
Contents You Will Need a 16Gb or Larger Usb Drive, and the Complete macOS High Sierra Installer from the App Store. How Install macOS High Sierra from Disk?...
Contents
You will need a 16GB or larger USB drive, and the complete macOS High Sierra installer from the App Store.
How install macOS High Sierra from disk?
How to Perform a Clean Install of macOS High Sierra
- Reasons to Perform a Clean Install. …
- Step 1: Backup Your Mac. …
- Step 2: Create a Bootable macOS High Sierra Installer. …
- Step 3: Erase and Reformat the Mac’s Boot Drive. …
- Step 4: Install macOS High Sierra. …
- Step 5: Restore Data, Files and Apps.
Does High Sierra require APFS?
macOS High Sierra: Startup SSD volume must be APFS; other drives can wait. … But it’s not backwards compatible with older versions of OS X or macOS. You’re required to upgrade any SSD startup volume when you install High Sierra—there’s no way to prevent it.