For a list of drivers available for a desktop board manufactured by Intel, see the driver page for that product, in the column on the left. Download or copy the self extracting archive into that directory.
Some drivers have a set of two or more self-extracting archives.
Save each archive in a separate temporary directory. Repeat steps 3 through 6 for each archive. Run the self extracting archive. This will preserve the directory structure of the driver files, which in some cases is necessary for correct installation.