If you are already inside Windows 10 on your Mac and have no macOS access, use Brigadier (open-source tool):
If you cannot get version 6.0.6133 to work, consider these options: Bootcamp Drivers Windows 10 64 Bit 6.0 6133 Download
Full identifier: BootCamp6.0.6133 / 6.0.6133.0
Architecture: 64-bit (x64)
Target OS: Windows 10 (versions 1607 through 2004 and later, with updates)
Release timeframe: Late 2016 – Early 2017 (part of the macOS Sierra era) If you are already inside Windows 10 on