This article provides everything you need to know.
While Apple frequently updates the software via the assistant, you can look for the "Boot Camp Support Software 5.1.5769" or newer official support documents which provide the necessary drivers, particularly for older hardware. How to Install Bootcamp 6.1 Drivers in Windows 11
Do not click "Continue" on the introduction screen. Instead, look at the top menu bar. Click on in the menu bar. Select Download Windows Support Software .