At least 80 GB of free hard drive space.Make sure your computer meets these requirements:.If you see a 'Create a Windows 7 or later install disk' checkbox, your Mac supports this feature.
If you don't have access to the online guide via a different device, print a copy of the Boot Camp Installation & Setup Guide.
If your computer cannot run macOS High Sierra version 10.13.x, you will need to follow Apple's Boot Camp Help: Install Windows on your Mac.