How to Install Guest Tools on macOS Catalina on VirtualBox on Windows

In this article, I am going to guide in order to Install the Guest Tool on macOS Catalina on VirtualBox with 128MB VRAM. So, you might know that VirtualBox is one of the famous and popular virtual machines. It is used to install the Mac operating system as a second operating system on your Windows. Therefore, Virtualbox is one of the best options for you in order to test and use any operating system such as Ubuntu, macOS High Sierra, macOS Mojave, and macOS Catalina. We can install the mentioned operating with its full functionalities. But while using and installing the macOS on VirtualBox we may face many problems like VirtualBox does not enjoy full CPU support or does not use a graphics card. Fortunately, we can easily solve all problems of macOS on VirtualBox just by using one tool that is the Guest tool.

If you don’t know what is Guest Tool, It is a pack of utilities that improve the performance of a VirtualBox operating system to improve and streamline its operation. Simply, it improves mouse performance, enhances graphics operations, and also increases the display and resolution capacity of your macOS by up to 16:9 and 1920×1080 pixels.

How to Install Guest Tool on macOS Catalina on VirtualBox on Windows

Step1. For that you have to run your VirtualBox, once you have opened the VirtualBox then you need to click on choose the virtual machine and click on the SettingĀ of that. Then find out theĀ Display tab from the left side, click on that. After that, you have to enable the VMSVGA option from the Graphic Controller.


Step 2. After that, once your Virtualbox is running then you have to Click on the devices menu then optical devices and choose disk image. For choosing the disk you have to download the guest tool from the below link.

Choose disk image

Step 3. Now it is time to install the VM tool in macOS which you have downloaded from the above. For that, you just need to select Install VMware Tool and the guest tool will get installed.

Install VMware Tools

Step 4. After 5 to 10 minutes loading, suddenly you will see a new dialogue box “System Extension Blocked” it means you are not allowed to install VM Tools. In order to allow that you will need to click on the Open Security Preference option.


Open Security preferences

Step 5. After you get that, select the Open Security Preferences option. Click on Security and privacy then select Allow so that the guest tool can complete its installation process.

Install Guest Tool on macOS Catalina on VirtualBox
Security & Privacy

Step 6. At the last, After some minutes, you may get a sudden notification saying that the installation is complete. To complete the installation process, click the Restart button so that changes can take effect.

Install Guest Tool on macOS Catalina on VirtualBox
Restart your Virtual Machine

Final Words

That’s all about How to Install the Guest Tool on macOS Catalina on VirtualBox on Windows. So, if you want to test and use macOS on Virtualbox then you must download the guest tool because it will improve the VirtualBox for better performance. Therefore, if you faced any kind of problem or any question then feel free to comment below. Don’t forget to comment your feedback and suggestion.


Hi, I am Azzaz Sheikh a passionate blogger. I am a tech lover guy who spends most of the time trying new things in the world of Technology. I love to discover latest material related to Technology and loves to share with you guys.

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One Comment

  1. Installing vmware tools crashes the virtual box over and over (it works but it keeps crashing randomly while using the vm)

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