Other reader who may be trying to use iSight drivers to connect an external iSight to Windows on a PC instead of a Mac will likely find it easier to use a different webcam designed for PCs. In fact, these same iSight drivers work regardless of how you are running Windows on a Mac, whether from BootCamp, Parallels, VMWare Fusion, VirtualBox, or other method. This is true even when you are using VirtualBox to run Windows on your Mac. Whether your Mac uses a built-in (USB) iSight or an external (Firewire) iSight, the drivers you should use for Windows are always the same one furnished for use with Boot Camp. You can find help for those specifics in Boot Camp requires a Mac with an Intel processor. After using Boot Camp Assistant to install or upgrade Microsoft Windows on your Mac, you might also need to install the latest Windows support software (drivers) from Apple. How to find and access the specific driver version for your system depends on which specific Mac, MacOS, and Windows version you use. Download and install Windows support software on your Mac. If you do not have the system software disks, you may need to buy replacements for the correct disk(s) for your Mac from your Apple Retailer.
The drivers that Apple provides for use with Boot Camp are the only source. Is there a driver for the isight windows except the one in bootcamp.