# Running a Mac OS 11 Big Sur VM in Virtualbox
Author: i12bretro
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1. Locate a Mac OS Big Sur iso
2. Launch Virtualbox
3. Create a New VM by selecting Machine > New

   Name: MAC OS 11
   Machine Folder: C:\VMs
   Type: MAC OS X
   Version: Mac OS X (64-bit)
   Memory Size: 4096 MB
   Hard disk: Create a virtual hard disk now

4. Click Create
5. On the Create Virtual Hard Disk dialog

   Name the virtual disk image MAC OS 11.vdi
   File size: 50.00 GB
   Hard disk file type: VDI
   Storage on physical hard disk: Dynamically Allocated

6. Click Create
7. Select the VM and Click Settings
8. Select System > Click the Processor tab > Set Processor(s) to at least 2
9. Select Display > Slide Video Memory to 128 MB
10. Select USB > Select USB 3.0
11. Select Storage > Create a new SATA Controller
12. Click the Choose disk button on the optical drive
13. Click the Add button > Browse to and select the MAC OS 11 .iso file
14. Click Choose
15. Click OK
16. Right Click the Start Button > Command Prompt (Admin) > Paste in the following commands
    cd "%programfiles%\Oracle\VirtualBox\"
    VBoxManage.exe modifyvm "Mac OS 11" –-cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
    VBoxManage setextradata "Mac OS 11" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac19,1"
    VBoxManage setextradata "Mac OS 11" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
    VBoxManage setextradata "Mac OS 11" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Mac-AA95B1DDAB278B95"
    VBoxManage setextradata "Mac OS 11" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
    VBoxManage setextradata "Mac OS 11" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1
17. If you are running an AMD processor also run the following command:
    VBoxManage modifyvm "Mac OS 11" --cpu-profile "Intel Core i7-6700K"
18. Make sure the MAC OS 11 VM is selected and click Start > Normal
19. After a long initialization sequence the MAC OS Setup should start
20. Select a language > Click the arrow
21. Select Disk Utility
22. Select the VBOX HARDDISK > Click Erase
23. Name the drive OS11 > Set the Format to APFS > Click Erase
24. Click Done > Close Disk Utility
25. Click Install macOS
26. Click Continue > Click Agree > Click Agree again
27. Select the OS11 disk > Click Install
28. Wait while Mac OS 11 installs files, the VM will reboot several times
29. Select your Country > Click Continue
30. Confirm your languages and keyboard layout > Click Continue
31. Click Not Now on the Accessibility screen
32. Click Continue on the Data & Privacy screen
33. Select Not Now on the Migration Assistant screen
34. Select Set Up Later and then Skip on the Apple ID screen
35. Click Agree > Agree again
36. Enter a name, user name, password > Click Continue
37. Click Customize Settings
38. Click Continue > Select Use or Don't Use for Location Services
39. Pick a timezone > Click Continue
40. Click Set Up Later on the Screen Time screen
41. Uncheck the Enable Ask Siri box > Click Continue
42. Pick a theme > Click Continue
43. Welcome to MacOS 11 Big Sur