Convert Dmg To Iso Virtualbox High Sierra

Create a temporary disk image to create the bootable installer: Run the install media creation tool: Move the DMG to your desktop: Create a VM with 2cores, 4GB RAM, 40GB HDD, and all the PAE/NX/EFI stuff enabled. Make sure to define High Sierra as the OS, or you will have issues booting. Aug 31, 2018 Install macOS High Sierra with VirtualBox on macOS. Double click the VirtualBox-5.2.18–124319-OSX.dmg, then double click the VirtualBox.pkg file to install. Mar 26, 2019 How to Download macOS High Sierra ISO DMG file. Even if you want to install macOS high sierra on a virtual Machin like VMware and Virtual box you can the same file.

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There are three major steps to install OS X High Sierra in VirtualBox in a Windows 10 host:

As DMG is the file format of Mac OS X, Windows OS can’t read the file. As we earlier mentioned in this guide, we need to convert the DMG to ISO, then use it on VirtualBox. This method will be useful to try and install any Hackintosh versions on Mac OS X on VirtualBox. Download macOS Mojave dmg File and Install on PC. As you all know that.

I used a Mac in the first two steps and completed the last two steps on the target Windows machine.

Downloading High Sierra

At the time of this writing, High Sierra was the most recent version of Mac OS X that could be installed in a VirtualBox virtual machine. However, High Sierra is no longer available for download from the Apple App Store.

High Sierra can still be downloaded from third-party websites. I downloaded a copy through this macOS High Sierra Patcher Tool for Unsupported Macs. Once the tool is downloaded, open it and use its built-in downloading feature. In the menu bar, select Tools > Download macOS High Sierra…

After a few minutes, you should have a copy of the High Sierra installer.

Preparing an ISO

Convert Dmg To Iso Virtualbox High Sierra

Once you have a copy of the High Sierra installer, an iso file must be prepared to install it in the virtual machine. The only way I could get an iso that worked on VirtualBox was by using the script suggested in this superuser.com answer:

Note that this is the original script, and it was written assuming that the High Sierra installer was downloaded from the App Store into the Applications directory. Before running the script, make sure the installer variable points to the right location of your High Sierra installer.

Setting up the Virtual Machine

Switch to the Windows 10 machine in which you want to set up the virtual machine. Copy over the iso created in the previous step and make sure both VirtualBox and its extension pack are installed. If not, both can be downloaded from this page. With both pieces of software installed, create the virtual machine the following steps:

Open VirtualBox
Click New to create a new virtual machine.
Enter the name for the new virtual machine; e.g., High Sierra, and click Next.
Select the amount of RAM for your virtual machine, making sure you leave enough for Windows, and click Next.
Choose Create a virtual hard disk now and click Create.
Leave the default setting VDI (Virtual Disk Image) and click Next.
Leave the default setting Dynamically allocated and click Next.
Choose the size of the virtual hard disk and click Create.

At this point, the virtual machine has been created, but it requires extra configuration to install High Sierra from the iso file you created earlier.

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Select the High Sierra virtual machine you just created and click Settings (the button with the cog icon).
On the side menu, click System.
On the Motherboard tab of the right panel, uncheck the Floppy option from the Boot Order list.
Switch to the Processor tab, set the number of Processor(s) to 2 or more and check the Enable PAE/NX option.
On the side menu, click Storage.
Under storage devices, click Empty.
Under Attributes, click the optical disk icon.
Select the High Sierra iso, and check the Use host I/O cache option.
On the side menu, click Display.
Set Video Memory to 128 MB.
Click OK to save.