#  1. Create new VM names "High Sierra";
#  2. Create at least 50gb hard drive named "High Sierra";
#  3. Change the settings to at least 4gb ram; min 2 cores and 128mb graphics-memory;
#  4. Deactivate "Floppy-Disk" in mainboard-options
#  5. Set your VBox-directory below this instruction and run this script
#  6. Mount the ISO-File "macOS_HighSierra.iso"
#  7. Don't install; Go to the Disk-Management-Tool and delete your hard drive while naming it exactly "Macintosh HD"
#  8. Now choose "Install macOS" and install as you wish
#  9. When it want's you to restart, shut the vm down and remove the ISO-file
# 10. Now boot, you will see the EFI-Shell
# 11. Type 'fs1:'; 'cd "macOS Install Data"'; 'cd "Locked Files"'; 'cd "Boot Files"'; 'boot.efi'
# 12. The installer should resume and have "fun" with macOS

set vboxdir = "C:\Program Files\Oracle\VirtualBox"

cd %vboxdir%
VBoxManage.exe modifyvm "High Sierra" --cpuidset 00000001 000306a9 04100800 7fbae3ff bfebfbff
VBoxManage setextradata "High Sierra" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "MacBookPro11,3"
VBoxManage setextradata "High Sierra" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage setextradata "High Sierra" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Mac-2BD1B31983FE1663"
VBoxManage setextradata "High Sierra" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
VBoxManage setextradata "High Sierra" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1