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PowZone · Oct 10, 2017 · c089606 · c089606
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diff --git a/README.md b/README.md
@@ -9,8 +9,9 @@ This is a preconfigured macOS VirtualBox Virtual Machine, along with a script fo
 1. Download the macOS installer app if you have not already. It should be located in your `Applications` directory.
 2. Clone this repo to your machine.
 3. Run `create_install_iso.sh`, which will create a file named "HighSierra.iso" on your desktop, based on the downloaded macOS installer app.
-4. Open the VirtualBox GUI, open the virtual machine from the repo, create a new virtual hard disk, and set the `HighSierra.iso` image as a disk in the VM's optical drive.
-5. Start the VM, wait for the macOS installer to boot.
-6. Open Disk Utility, from the File menu enable the option to "Show all devices", and erase the VirtualBox hard disk image.
-7. Install macOS.
-8. When the installer completes, reboot into your new macOS virtual machine.
+4. In the VirtualBox GUI, open the virtual machine from the repo, create a new virtual hard disk, and set the `HighSierra.iso` image created in step 3 as a disk in the VM's optical drive. Make sure that you do not set the new virtual hard drive as an SSD, otherwise the High Sierra installer will format the drive as APFS, which is not yet recognized by VirtualBox's EFI BIOS and you will be unable to boot from the hard drive.
+5. Start the VM, and wait for the macOS installer to boot.
+6. Open Disk Utility, from the View menu enable the option to "Show all devices", and erase the VirtualBox hard disk image.
+7. Quit Disk Utility, and install macOS to the newly initialized hard drive.
+8. When the installer completes, reboot. The VM will boot from the USB drive; remove the disk from the virtual drive and reboot the VM.
+9. With the Installer ISO image not available to boot from, you will be dumped into the EFI Shell. Enter the following at the EFI prompt to boot macOS from the virtual hard drive and finish installation: `FS1:"macOS Install Data\Locked Files\Boot Files\boot.efi"` Alternatively, you can enter `exit` at the prompt to go to the EFI BIOS boot screen, and use the `Boot from file` option to navigate to boot.efi.