You’ll see the default VDI storage location and size on the next screen, leave them as they are, and select Create.Choose Dynamically allocated and select Next.

Choose VDI (VirtualBox Disk Image) and select Next. Next, you’ll need to choose the type of file you’d like to use for the virtual hard disk.This page includes instructions on how to install VirtualBox for your specific OS so we wont repeat. Choose the Create a virtual hard disk now option and click Create. You can download VirtualBox from the downloads page here. located and select the macOS High Sierra VMDK file. Once located, select the file, and click the ‘Open’ button. Click New to create your new virtual machine. Click on the folder icon, and find the High Sierra VMDK image file you downloaded in Part 1. Install VirtualBox on your Windows PC by following the instructions in the installation wizard. On the next screen, you’ll need to create a new hard disk for your virtual machine. In ‘Hard disk’ select the third option, Use an existing virtual hard disk file.You have two options to choose from you could either use Dynamically allocated storage which grows as you keep using the storage, or allocate a Fixed-size storage limit that offers faster performance. This portion will only be accessible to your virtual operating system, i.e., Ubuntu in this case. You’ll also need to allocate a portion of your hard disk to the virtual machine. We recommend Ubuntu 16.04.4 LTS if this is your first Linux install. For instance, if you have 16GB total RAM, allocate 4GB to the virtual machine. Download your Linux distribution to the Mac.

dmg file should be downloaded to your Downloads folder. Ideally, you should choose to allocate about a fourth of your PC’s RAM. Installing VirtualBox on your Mac Go to VirtualBox’s download page and click OS X hosts.

Allocate Memory size to your virtual machine.

Install linux on mac virtualbox