

Optional - An external USB flash drive with a storage capacity of 16GB or more.

If you have an iMac Pro or Mac Pro with 128GB of memory (RAM) or more, your startup disk needs at least as much free storage space as your Mac has memory.Ĥ. Automatic Windows updates require that much space or more. Your Mac can have as little as 64GB of free storage space, but at least 128GB of free storage space provides the best experience.

64GB or more free storage space on your Mac startup disk. You will use Boot Camp Assistant to install Windows 10.ģ. The latest macOS updates, which can include updates to Boot Camp Assistant.
