This is for Fedora and is a very simple and intuitive guide:

https://fedoraproject.org/wiki/FedoraLiveCD/USBHowTo#System_Requirements

Here is the link to the liveusb-creator:

https://fedorahosted.org/liveusb-creator/

• Main.CreateWindowsInstallationUSB

– Main.FredPettis - 09 Jul 2009