Apple Software Update Bootcamp. First select Graphics then select Mac Graphics in the next column then select Apple Boot Camp in the next column. This is usefull for those who dont have access to OS X and execute Boot Camp Assistant and want Windows driver provided by Apple.
The first step is to download the Boot Camp software from Apple. Get started with Boot Camp. Boot Camp is a utility that comes with your Mac and lets you switch between macOS and Windows.
How to install Windows onto your Mac.
Apple Windows 10 Boot Camp 6 Driver Bundle. For instructions please see the Apple support article here. Install any available updates. The first step is to download the Boot Camp software from Apple.