VirtualBox Virtual Machine is beautiful software that allows you to install any version of Windows, including Windows 11, virtually like a physical machine. During the installation of Windows 11/10 on a virtual machine, you need to specify storage, RAM, etc., to run them virtually. At a later stage, if you want to increase or decrease allocated RAM to a virtual window, it is possible without deleting the virtual window. That means you don’t need to erase your Windows and reinstall it to adjust the RAM capacity to a virtual machine. VirtualBox Virtual Machine allows you to increase or decrease allocated RAM to a virtual machine, even without deleting it.

This gearupwindows article will guide you on increasing or decreasing the RAM in a VirtualBox virtual machine.

How to Increase or Decrease the RAM Capacity in Your VirtualBox Virtual Machine?

Follow these steps to increase or decrease the RAM Capacity in your VirtualBox Virtual Machine:-

Step 1. Turn Off your Windows 11/10 machine that is running virtually.

To turn off Windows 11, click the Start button from the taskbar. Then click on the Power button and select the Shut down option.

Step 2. Once guest Windows 11/10 is turned off, on the Oracle VM Virtual Box Manager, select your guest OS from the left-side pane, and on the right-side pane, click on the Settings menu.

Step 3. On the Settings window, select the System tab from the left side. On the right of it, use the slider or manually enter the amount of RAM next to the slider.

Step 4. Finally, click the OK button to apply the changes.

That’s it.

Now, you can start your guest/virtual Windows 11/10 and enjoy.


In conclusion, VirtualBox Virtual Machine is a convenient and efficient software that allows you to run Windows virtually without having to create a physical machine. One of its significant advantages is the ability to increase or decrease the allocated RAM to the virtual machine without deleting it. This article has provided a step-by-step guide on how to increase or decrease the RAM capacity in your VirtualBox Virtual Machine for Windows 11/10. With these simple steps, you can easily adjust the RAM according to your requirements and enjoy a seamless virtual experience. Additionally, you can also enhance your virtual experience by installing Guest Additions to Windows 11 in VirtualBox, which is covered in another Gearupwindows article.

Also Read:

How to Install Guest Additions to Windows 11 in VirtualBox?

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