How to Install Windows 8 in VirtualBox

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Last Updated: February 19, 2026 Tested

Ever want to try Windows 8 on VirtualBox? In such cases, virtualisation is your friend. It allows you to easily try out a new operating system without making any changes to your existing operating system. VirtualBox is the most popular free virtualisation solution available, and this tutorial will teach you how to install Windows 8 in VirtualBox.

Steps

Download Article

For instructions on how to download and install VirtualBox, follow the article. Though Windows 8 is no longer available for download on Microsoft's website, you can still download the ISO from Internet Archive. Make sure you download the ISO.
Open VirtualBox and select new machine.

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Once typed, VirtualBox automatically populates the Windows version into the dropdowns.
Click on the dropdown beside "ISO Image", click Other... and select the Windows 8 ISO file in the file picker window.
It's at the middle of button group at bottom-right corner of the window.
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Click the checkbox beside Install Guest Additions. This is optional, but recommended for 3D acceleration and adjustable virtual machine display resolution.
- Make sure the host name doesn't contain any spaces.
Use the text fields beside Password and Confirm Password to enter your password. Then click Next button to go to the next screen.
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Allocate resources to the VM. Use the provided sliders to adjust the RAM, number of CPU cores and disk size to the appropriate values, then click Next button to go to the next screen.
- Make sure the values are in the green area.
- Make sure to allocate at least 1024MB RAM and 16GB disk size for 32-bit version, or at least 2048MB RAM and 20GB disk space for 64-bit version.^{[1]
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It's at the middle of button group at bottom-right corner of the window. The virtual machine will launch automatically.
This may take several minutes to install Windows 8 on your virtual machine.

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Question

Where can I get the ISO file? That was kinda the only reason I came here.

Community Answer

If you google "download windows 8 iso," the first hit brings you to the right Microsoft page. I expect the same works for other versions of the Win OS.

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Question

What ISO do I use when installing Windows 8 in VirtualBox?

Community Answer

You would use a Windows 8/Windows 8.1 ISO file to install Windows 8/Windows 8.1 in VirtualBox.

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Question

How often and for what reasons should Windows be updated within a VirtualBox?

Community Answer

The virtual machine does not normally update without you forcing it to. Since it is not an actual computer, it will not receive forced updates from Microsoft like your regular computer will.

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Make sure you are running the latest version of VirtualBox.

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Windows 8 working in VirtualBox is not proof that it is compatible with your computer.

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Warnings

This can take up lots of your hard drive space depending on what you select.

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Back up your virtual machine before making any changes.

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Don't attempt this on old or low-end computers, especially with less than 8GB of RAM. It will slow down your computer severely.

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