To download and install (and later versions like 6.1.19) for Windows 10, you should use the built-in Boot Camp Assistant on your Mac . Apple does not typically offer these version-specific driver packages as standalone web downloads. How to Download Boot Camp 6.1 Drivers
(if you know the exact URL from a working Mac) Apple doesn’t provide public direct links, but the internal path is usually: Bootcamp 6.1 Download Windows 10
: When first setting up Windows, the Boot Camp Assistant on your macOS side downloads the latest "Windows Support Software" (drivers) to a USB drive. Boot Camp 6
If you cannot use the methods above, users often turn to community-developed tools: If you cannot use the methods above, users
There are two primary ways to obtain the Bootcamp 6.1 software bundle: 1. Automatic Download via Boot Camp Assistant