It's pretty simple really, since the entire system fits on a CD, which can be blown from either Windows or Linux. 

It can also be put on a Thumb-Drive, but the instructions depend on which type of desktop you're doing the preparation from. You could even build the whole distribution from the ground up, if you wanted to.

You can get LiveUSB creator https://fedorahosted.org/liveusb-creator
 
http://eeedora.complexvalues.com/ 
http://wiki.eeeuser.com/eeedora:installing