How to Install macOS Big Sur on VirtualBox on Windows PC

REQUIREMENTS

1. VirtualBox – DOWNLOAD
2. VirtualBox Extension Pack – DOWNLOAD
3. Mac OS Big Sur ISO Image File (16GB) – DOWNLOAD
4. COMMANDS

How-to Install Big Sur on VirtualBox

STEP 1: Download VirtualBoxand VirtualBox Extension Pack.
Click on Windows Host and it should start Downloading. Also Click on All Supported Platforms under the VirtualBox Extension pack to download.

And Lastly,
Download macOS Big Sur ISO Image File as well.
And you should have your downloaded files ready

STEP 2: Install VirtualBox after downloading by double clicking on it and following the prompt.

After installing VirtualBox we have to add the extension pack we downloaded to VirtualBox.
Double Click on VirtualBox Extension Pack in your download folder and it should load up in VirtualBox, Agree to the terms and Install.

STEP 3: After installing the Extension Pack, Click on the Tab icon as shown below and head back to the welcome page.

STEP 3: After installing the Extension Pack, Click on the Tab icon as shown below and head back to the welcome page.

STEP 4: Click on New to create a new Virtual Machine
Set the Machine to macOS Big Sur or whatever you want, leave the folder option as it is, Select the ISO Image and Specify the Big Sur image file we downloaded earlier from the requirements section.
Set the Type to Mac OS X and Version to Mac OS X (64 bit) and then next.

STEP 5: Set the Base Memory (which is your RAM) to whatever you want to allocate to this machine and then Set the Processor Cores as well then Next.
Note: You shouldn’t allocate more than 40% of your PC resources to your Virtual Machine else it’ll slow down your main PC.

STEP 6: Select Create a Virtual Hard Disk Now and set a disk size for your macOS machine.
NOTE: At least 50gb

Then Click on Finish to Apply the Changes we’ve made.

STEP 7: After creating a new Virtual Machine, we have to make few changes to it.
Click on Settings. Copy your machine name from General Tab (we will make use of it later).

STEP 8: Click on System
You can change the Base Memory and Processor Cores whenever you want to make your Machine perform better.

STEP 9: Now click on Display
Then increase the Video Memory to 128MB and enable 3D Acceleration as shown below and then click Ok to apply changes.

STEP 10: One last thing before we install
We have to switch up VirtualBox settings for our Mac OS Virtual Machine so it recognises our PC as a Mac and installs without any issue.

Copy the commands below into Notepad on your PC.

Commands

Enter the commands one at a time, line by line. You can also download the commands HERE

cd "C:\Program Files\Oracle\VirtualBox\"

VBoxManage.exe modifyvm "VM Name" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff

VBoxManage setextradata "VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac19,1"

VBoxManage setextradata "VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"

VBoxManage setextradata "VM Name" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Mac-AA95B1DDAB278B95"

VBoxManage setextradata "VM Name" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"

VBoxManage setextradata "VM Name" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1

Copy the additional command only if you are using an AMD based CPU.

VBoxManage modifyvm "VM Name" --cpu-profile "Intel Core i7-6700K"

STEP 11: Change “VM Name” in the commands to your macOS machine name we copied earlier. And then run Command Prompt on your PC as Administrator.

STEP 12: Paste each command in command prompt and hit enter.
Line by line until you finish (you shouldn’t get any error).