Right-click on this entry and select "Drop Table". Save the MSI file and try to launch either the BootCamp.msi/Bootcamp64.msi or -- if that doesn't work -- the setup.exe found in the root folder. This should get all your Boot Camp drivers installed!

Since Apple uses standard hardware components (mostly), you won't have a tough time finding suitable drivers, though some of them require a bit of searching and tinkering.

This is why I only recommend hunting down and downloading (and in some cases even modifying) drivers if you've got problems with games running unusually slow on your graphics card or when the Wi-Fi connection starts acting up.

The list of potential drivers for all the variety of Macs (Mac Pro, MacBook Pro, MacBook Air, Mac Mini, iMac) goes on and on, so I'll just compile the most popular here: