Download MacOS High Sierra for Windwos Virtual Box.
Download
Copy and open Link in new tab- https://archive.org/details/macos_iso
MacOS Patches to Make Widnows PC Compatible for MacOS.
VBoxManage.exe modifyvm “macOS” –cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage setextradata “macOS” “VBoxInternal/Devices/efi/0/Config/DmiSystemProduct” “iMac19,3”
VBoxManage setextradata “macOS” “VBoxInternal/Devices/efi/0/Config/DmiSystemVersion” “1.0”
VBoxManage setextradata “macOS” “VBoxInternal/Devices/efi/0/Config/DmiBoardProduct” “Iloveapple”
VBoxManage setextradata “macOS” “VBoxInternal/Devices/smc/0/Config/DeviceKey” “ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc”
VBoxManage setextradata “macOS” “VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC” 1