Win 8.1 PC Driver for a wired Apple keyboard

I'm hoping that someone may know if a driver for my new wired apple keyboard exists somewhere. I have searched, but can't find anything. I can use it for typing and the number pad works fine too, but the function keys and some other keys don't work at all. I would like to just remap it, but all the software I have tried is extremely complicated and way beyond my skill level. SharpKeys is very limited, and it works for assigning a single function to a key, but I need it to do more than that. If I remap the keyboard, I would like to be able to assign macros.

For now, I would just like to have a PC driver for this keyboard so that it will work normally (mostly), but I'm also open to trying another mapping program if someone knows of a simple one.

Thank you!!