Photo & Video walkthrough provided.Ĭreate a new VM with Type “Mac OS X” and Version “Mac OS X (64-bit)” Other VM settings include: Chipset set to PIIX3., Memory size at least 4GB, 2x CPUs, 128MB Video Memory, Network (Adapter) interface, Disk at least 40GB. VirtualBox Mac OS guide: A quick and easy guide on how to install macOS Sierra in VirtualBox on Windows 10 computers.Select the VirtualBox disk and choose Erase to format it as a Mac OS Extended (Journaled) drive. Note: In the installer, Go to Utilities Disk Utility. Insert sierra.iso to the sierra VM’s optical driver, and follow the instruction to install Sierra.