Bootable ISO Image On a USB Flash Drive

I am trying to take a bootable ISO CD Rom (for Windows based machines) I have and somehow put it onto a USB Flash Drive so I can boot from that instead of using the CD. I do understand the requirement of having a bios that supports booting from USB drives. Assuming I have met that requirement, how do I accomplish this?
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noxchoProduct ManagerCommented:
Have a look on these instructions:
Ignore the parts that refer to Windows installation and stop your eye on USB creating method.
This software also makes bootable USB flash drive in a good way:
It is for Linux but it works for Windows too.

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This site lists a variety of methods to create a bootable pendrive:

What's the bootable you want to install? Check their homepage; a lot of bootable disks come with USB installation instructions or even special tools for easy USB installation.
Here, for instance, is the way to create a pendrive with the "Ultimate Boot CD":
Pretzel_JesusAuthor Commented:
I do see a few websites explaining how to do this primarily for Windows OS installations. I have a very specific disk that installs a customized version of Windows XPe, as well as a bunch of other software and customizations. All I see to find are specific OS installation options.
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noxchoProduct ManagerCommented:
Didn't the links gave by me allow you to move Windows installation to USB flash?
Pretzel_JesusAuthor Commented:
They did but I am looking for a way to do any bootable ISO. My ISO is a bit too customized to do a plain Windows install. Im still trying methods from both of your links to see if I can make it work.
noxchoProduct ManagerCommented:
Is USB flash obligatory for you as OS install carrier?
Look this link as well: It helps to create bootable CD with Windows not USB. But you know now how to put ISO to USB.
If its a XPe, check out WinSetupFromUSB:

It may work with your specific project - will not work for *any* Iso though.
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