Windows, macOS – which one do you want to use today? On a traditional setup, you’re stuck with one or the other. But with virtual box, you actually have macOS on a Windows PC.
Jun 08, 2020 One will also notice a drastic lag in the performance of the overall Mac OS inside the virtual machine. Though the reasons for this lag, and a bit slower system can be a low configuration system on itself. VirtualBox is great for testing out a new operating system, but your virtual machines probably aren't that special when you first set them up. Here are a few tips for making them much easier.
It’s the freedom that computer users have enjoyed with Linux and other operating systems.
But Apple has made it difficult to install their operating system on anything other than their own hardware. All of that is changing, and Virtual Box is responsible for it and the rise of the Hackintosh.
New to hackintosh? Learn more about it in our what is hackintosh? overview.
Note: A lot of people will be able to get a mac virtual machine one Windows running smoothly, but sound doesn’t seem to work well. That’s really not an issue because you’ll still be able to access all of your apps and software.
I also recommend that you have access to a real Mac. You might be able to find some distributions of the High Sierra ISO online, but there is always a risk when downloading from an unofficial source. Instead, borrow a Mac from a friend, or use your own and download the High Sierra OS from the App Store.
Microsoft office mac os catalina. Check out our high sierra installation guide for hackintosh
Everything You Need to Get Started with Installing macOS on VirtualBox
Before we go through the steps on how to install macOS on Virtual Box, let’s get everything together that you’ll need to get started.
You’ll want to search for your desired operating system (we’ll be using High Sierra), and Download it.
Note: You’ll need a decent computer to be able to run Virtual Box. Your computer will need to meet these minimum requirements:
If your computer doesn’t meet these requirements, you won’t be able to run macOS properly. You’ll be able to download VirtualBox from the official website. I’m not going to go through the installation process, as the website will have all of the information you need to be able to install VirtualBox.
I do recommend that you read all of the documentation and ask any questions that you have in the community section of the website.
VirtualBox 6.0 was just released, so it’s definitely a great time to get started with your own macOS.
Extract macOS Sierra
Make sure you’ve downloaded High Sierra, and then you’ll want to run a few commands from your terminal . You’ll be able to open the terminal at: Applications > Utilities > Terminal. Once inside of the terminal, you’ll want to run the following commands:
Go to your desktop and rename the file, removing the “.cdr” extension. You need this extension to read “.iso” for it to work properly.
You’ve successfully created your own ISO file so that you can bootup your macOS.
The next step is to copy the file over to your Windows machine (using a large USB drive seems to work best). This file will be mounted in your virtual machine later on in the article, so it’s very important that this step is completed successfully.
Creating a mac Virtual Machine on Windows
You’ll want to create a virtual machine, and this is really easy. You’ll open up VirtualBox and click New. You’ll want to have the following parameters selected or entered before clicking Next.
Pay attention when selecting the version because you may find that High Sierra is offered as a version when you go to install it. But if it’s not, you can just choose the settings I listed above and they should work fine.
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You’ll then be proceeding through all of the settings.
When you come up to the RAM setting, you’ll want to be generous. VirtualBox requires a minimum of 4GB or RAM to run, but the more the better.
Why?
You’ll want to provide at least 4GB to your macOS, or 4096MB to be precise. A general rule of thumb is that if you can spare it, supply more RAM to your virtual machine. RAM will allow the operating system to put more information into memory and retrieve it faster.
For better overall performance, supply as much RAM as you can.
The next steps are also important, and they’ll include:
You’ll now have your virtual machine using the RAM and disk space properly, and you’ll have to work your way through a few screen prompts before having everything setup properly.
Configuring Your VirtualBox to Run macOS High Sierra
We’ve made a lot of progress so far, and now it’s time to configure your virtual machine properly. You’ll see in the main window of VirtualBox that “High Sierra” is listed. Click on this and then click on the “Settings” button.
You’ll want to go to “System” and make sure that the following are unchecked on the Motherboard tab:
Click on the Processor tab and make sure that you have 2 or more CPUs set for your virtual machine.
The next few settings are rather simple:
Now you’ll need to click “Ok,” and save all of the changes you’ve made. Close out your VirtualBox now.
Apple is very strict on the system that their operating system runs on, so it’s very important that you do your best to configure your virtual machine in such a way that it tricks the installer to thinking you’re on a retail machine.
We’ll now be going into the Windowscommand prompt.
You’ll do this by:
It’s very important to follow all of the following command prompts exactly. Your goal is to run each command, one by one, hitting the Enter button and waiting for the command to complete successfully.
Remember that VirtualBox needs to be closed before running these commands, or it won’t work properly.
You have to make sure that the virtual machine is properly named “High Sierra” for this method to work. If not, you’ll be able to go back and make changes to the name to get everything to work properly.
Once all of the commands are completed, and there are no errors, you’ll then be able to open up your VirtualBox and get macOS High Sierra installed properly on VirtualBox.
It’s a long process, but we’re almost done with your installation.
Running VirtualBox and the macOS Installer
You’ve almost learned how to install macOS on VirtualBox entirely, and we’re on the home stretch. You’ll want to open up your VirtualBox and then click on your virtual machine that you set up earlier.
Now, click “Start.”
There will be a lot of information displayed on the screen as everything starts running. I recommend stepping away from the machine and letting it run for a few minutes before coming back. Some errors can hang for 5 minutes or longer.
If you’ve done everything properly, you can be confident that the installer will boot properly.
You’ll eventually be presented with the option to pick a Language. If you’ve reached this point, you’re doing very well and are almost ready to run your macOS.
The next steps can be followed:
You’ll come up to one point where you’ll be asked to choose a hard drive, and you’ll want to select the Macintosh HD partition that you just created with the Disk Utility.
We’ve successfully copied all of the files on the virtual machine, but we’re not done just yet.
Exit your virtual machine and then go back to your virtual machine’s settings. You’ll need to change up your Storage settings. Click on your ISO for High Sierra in the “Storage Tree.” You’ll click that CD icon just like we did earlier and then choose “Remove Disk from Virtual Disk.”
You need to do this to unlink the ISO from your virtual machine.
Start up your virtual machine and you should come across a black screen with the EFI Internal Shell. You’ll want to look for FS1. If this is listed in yellow, click on the virtual machine and then type fs1: and hit the Enter button.
You should be in the fs1 directory.
Type in the following commands:
Now we’ll run the installer by running: boot.efi and hitting enter.
If everything goes well, you’ll come across a graphical installer and will just have to work through the prompts. The virtual machine will reboot eventually and then you’ll need to go through the settings and the rest of the setup process.
Soon enough, you’ll be right inside of macOS, where you’ll be able to start using your mac virtual machine on Windows.
Having a virtualbox mac OS is the easiest method of using mac as and when you need it. In addition, using virtualbox is far less complicated than the dual boot hackintosh method we have looked at previously.
When you are installing macOS with the Oracle VM VirtualBoxvirtualization program, you may encounter a screen resolution error. The reason for this is that the Apple macOS system does not fully support virtualization programs.
![]() How to Change Screen Resolution on macOS High Sierra / macOS Catalina in VirtualBox
When you install macOS Sierra / High Sierra operating system with VMware Workstation, you can change the screen size after VMware Tools installation. However, after you have installed macOS with VirtualBox, you will get an error if you try to install Guest Additions because there is no Guest Additions support for macOS on VBox.
As a result, we will configure the macOS virtual machine resolution setting using the CMD command prompt.
Previously, we had macOS setup with VMware. You can access this article from the link below.
In this article, we will solve the display resolution error on Mac OS High Sierra 10.13.4 running on VirtualBox.
How to Change Mac OS VM Display Resolution on VirtualBox (1920×1080/2K/4K/5K)
In VirtualBox, you can only change the display resolution with certain values. Also, the default resolution setting for macOS is 1024×768. For example, when you try to set the resolution to 1366×768, the Mac resolution setting will automatically be set to 1280×720.
Mac screen size values are as follows:
To change the screen size of the virtual machine on VirtualBox, follow the steps below in order.
Step 1
To change the macOS display resolution in VBox, you need to use the following code. In the “Your VM” section of the code, you must type the name of your macOS virtual machine.
The important thing to note here is that you have to exit VBox program before executing the command.
Step 2
To do this, you must run the CMD command prompt as an administrator, otherwise you will not be able to change the resolution. In the Windows 10 search box, type CMD and run it as administrator.
You can also access Command Prompt (Admin)by pressing the Windows Key + X keys together.
Step 3
After opening the CMD prompt, first, move into the VBox folder. Then type in the resolution you want to change to the X part of the code and copy the code.
Paste the code into the CMD and press Enter.
Step 4
Now open the VBox program and run the virtual machine.
Step 5
The display resolution of the High Sierra virtual machine is configured to 1920×1080.
Step 6
If you want to try a different resolution size again, type a different value in the X section and apply the command on the CMD.
Step 7
This time the screen resolution is configured as 2048×1080! As a result, you can easily change the screen size of the VM you use with the value you want.
![]() Virtualbox Best Performance Setting For Macos Windows 7Final Word
In this article, we have reviewed step by step how to change the screen resolution for the macOS High Sierra 10.13.4 virtual machine installed on Oracle VM software. Thanks for following us!
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