If you are repairing an existing Windows installation and cannot use the Assistant, the drivers are often hosted on third-party mirror sites. The file you are looking for is usually named:
: Once downloaded, navigate to the newly created folder, open the BootCamp directory, and run setup.exe . Compatibility & Requirements bootcamp 6.0 6133 download
Bootcamp 6.0.6133 can be downloaded from the Apple Support website. To install, follow these steps: If you are repairing an existing Windows installation
After downloading, ensure the BootCamp folder and setup.exe are on the root of your USB drive. navigate to the newly created folder