There are several potential things/steps involved in getting them compiled and even more potential pitfalls along the way (between finding the right compilers, knowing the right run-time compiler arguments and options) to get them compiled and then actually work! Unless you are computer/technical oriented enough to figure out the tasks ahead i think you're best to find pre-compiled and tested versions online
fyi... compiling a driver for 64-bit Windows is far from being the only thing required to get them to work in 64-bit Windows! (in fact, i'd venture to say if you can't find a compiled/working 64bit version of the driver online.. it almost certainly means the driver source code hasn't been ported to work in a 64-bit environment yet!)