Next, under Storage → Empty → Attributes, click on the Optical Drive icon on the right and select the ISO image for Big Sur that you created. In the navigation panel on the left, go to Display → Screen → Video Memory and set it to a minimum of 128MB. Go there and set the processor setting to at least 2 CPUs. Next to Motherboard is the Processor tab. Go to Settings → System → Motherboard and uncheck the Floppy option under Boot Order. In VirtualBox, you should be able to have a view of the VM you just created, along with the specs you chose. You can allocate more if you think you'll be using a lot of apps on the macOS installation. The next step is to set the hard drive for new VM, for which you can pick the Create a Virtual Hard Disk Now option, choose VDI for the drive type, select the option for a fixed drive size, and set the drive size to about 20 to 25GB. The recommended limit is 4096MB or about 4.0GB, but you can allocate more if you have enough RAM on your Windows 10 PC. Step 2:Set RAM Capacity for new Virtual MachineĪs you follow the VM creation process, you'll need to set the RAM limit for the virtual machine. Please note that Big Sur won't be available as an option until the next VirtualBox update, if at all. MacOS High Serria Virtual Machine Image: Part 2: Create a macOS Virtual Machine in VirtualBox on Windows 10 PC Step 1:Open VirtualBox on Windows 10 PCĪssuming you've already installed VirtualBox on your Windows 10 computer, launch it and create a new VM called BigSur, with the OS option being set to Mac OS X and the version as Mac OS X (64-bit). MacOS Mojave Virtual Machine Image: SJe/view MacOS Catalina Virtual Machine Image: z/view Since this could lead to file corruption and other problems, it's much better to use a third-party source and download it from here, which is more straightforward and will help you avoid a lot of conversion and other issues. VirtualBox only supports ISO and virtual machine image file so the first thing you need is to convert macOS DMG file to ISO.

Part 1: Download macOS ISO File or Virtual Disk

So in here, we will introduce a free way to create bootable macOS USB on PC by creating a macOS virtual machine with the help of free VirtualBox software. However, you won't be that lucky if you were on a Windows 10 PC. It is a lot of easier when it comes to creating macOS bootable USB installer on a Mac as it has built-in as well as third-party tools to do that.

Mac virtual machine on windows 10