If you want to run any system in VirtualBox, you need to have the corresponding ISO image file, so first we need to obtain the ISO image file. The following first introduces how to obtain the image file:
Step 1: Download the latest Catalina system from the Mac App Store
If the Catalina system cannot be downloaded, skip directly to the end of Step 2 to download the Catalina ISO file
Step 2: Create a macOS Catalina ISO file
Find the macOS Catalina.App file you downloaded, open the terminal, and cd to the directory of the download system:
Create a Catalina virtual disk image (a dmg file will be generated)
hdiutil create -o ./temp -size 8000m -layout SPUD -fs HFS+JMount the virtual image to the mac system
hdiutil attach ./temp.dmg -noverify -mountpoint /Volumes/install_buildCreate an installation image with macOS Createinstallmedia Tool
sudo Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/install_buildUninstall Catalina
hdiutil detach /Volumes/Install\ macOS\ Catalina/Convert temp.dmg to a cdr file, a cdr file will be generated
hdiutil convert temp.dmg -format UDTO -o Catalinamove and rename
mv Catalina.cdr Catalina.isoSo far the ISO image file has been created, here you can download what I have made:
Link: https://pan.baidu.com/s/1oCIbO6tMwcwmFxVZc_SfZA Extraction code: cz6j
ps I started practicing from this place. Skip the steps above to create an iso image.
The resource is divided into 8 sub-volumes through the 7z compression tool. After downloading, refer to the steps:
Download the 7z compression tool: Download
All the sub-volumes are in one folder, just select the one numbered .001 (that is, Catalina.7z.001) to decompress (choosing other decompression will report an error)
On the Windows platform, open the terminal, enter the directory where the sub-volume is located, and enter: copy /b Catalina.7z.0** Catalina.7z, this command is to merge the sub-volumes, and decompress Catalina.7z after merging
On the linux platform, open the terminal, enter the directory where the sub-volumes are located, and enter: cat Catalina.7z.0** > Catalina.7z, this command is to merge the sub-volumes, and decompress new.7z after merging
Step 3: Install VirtualBox and Extension Pack
VirtualBox: download, install
Extension Pack: Download, Install
Step 4: Create a new virtual machine
After successfully installing VirtualBox and preparing the ISO image file, you can create a virtual machine
Open VirtualBox, click the New button, select the configuration according to the figure below, and the memory configuration is 4G
When creating the disk capacity, it must be greater than 25G, otherwise the system cannot be installed later (set 100G here)
Step 5: Set up the virtual machine configuration
Select the created virtual machine, click Settings, first set the System,
Then select Processor, set the CPU to 4 cores (generally set to half of your own system),
Next select Display and set it to 128M
The last step is to set the USB, set it to USB 3.0 (xHCI) Controller, the default is 2.0
Step 6: Add ISO image and boot disk
Open Storage, click the CD/DVD icon, and select the "catalina.iso" image
Click the "Add Virtual Disk" button, select "Choose existing disk", then open the file and select the startup disk "VirtualBox Boot Disk" you downloaded.
VirtualBox Boot Disk link: https://pan.baidu.com/s/1uzw6B4hc5s5knEUCoYvi7g Extraction code: ue23
Notice:
My disk order:
VirtualBox boot.vmdk: STAT port0 ( Solid-state Drive (selected), Hot-pluggable (selected) ))
Catalina.vdi : SATA port1
Catalina.iso: SATA port2
After executing the Step7 command, go directly to the installation interface. No need to enter in the middle
Step 7: Add the following code to VirtualBox using Command Prompt
Before running the command prompt, shut down the virtual machine, and then run the command prompt with admin privileges.
code:
# Catalina为你创建虚拟机的名字
cd "C:\Program Files\Oracle\VirtualBox\"
VBoxManage.exe modifyvm "Catalina" --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage.exe setextradata "Catalina" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
VBoxManage.exe setextradata "Catalina" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage.exe setextradata "Catalina" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Iloveapple"
VBoxManage.exe setextradata "Catalina" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
VBoxManage.exe setextradata "Catalina" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 0The original text is this
VBoxManage setextradata "Catalina" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1
I will report an error here and change it to 0
Step 8: Install MacOS catalina to the virtual machine
Re-open the virtual machine and open the created catalina, you will see the picture below, which lasts about 3 or 4 minutes (if it keeps looping, there is a problem with the installation)
When you see the macOS Utilities page, select "Disk Utility"
Then select the virtual hard disk and click "Erase" to format
Finally return to the macOS Utilities page and click Install macOS
After the installation is complete, turn off the virtual machine, click Settings, and remove the "Catalina.iso" image file from Storage
Open the virtual machine, press the "Esc" key to enter UEFI Shell mode, type "install.nsh" and press the Enter key
After the installation is complete, close VirtualBox
Step 9: Run MacOS catalina
If the above steps are completed successfully, you can open your macOS. But some system initialization operations must be performed
At this point, all the installation steps are over, and you can use the macOS system.
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Reference: https://blog.csdn.net/lb245557472/article/details/103565752
How to Install macOS Catalina on VirtualBox on Windows - wikigain