FlashBoot is an ultimate tool for making USB devices bootable.
FlashBoot can install fully-functional Windows 8 to USB thumbdrive (so you can boot Windows from USB and carry your OS, your apps, your documents, your browser in the pocket, run it in public library, in internet-cafe, work-from-home etc).
Also, FlashBoot can convert Windows XP/Vista/7/8 installation CD/DVD to bootable USB disk, useful for Windows installation on netbooks and other devices without CD/DVD drive. FlashBoot supports USB flash thumbdrives and USB hard disks.
FlashBoot has many other features.
Demo Version vs Full Version
Limitations of the demo version:
Demo version can be upgraded to full version by copying license key file to FlashBoot installation folder, usually C:\Program Files\FlashBoot.
It is recommended to try out the demo before buying the full version to ensure that there are no hardware incompatibilities and product meets your particular needs.
Portable Demo Version
You can download FlashBoot Demo setup by pressing "FlashBoot Demo" button on the left-side menu. If you don't like installers or need to run FlashBoot from portable media, you can download portable FlashBoot 2.2i. FlashBoot Portable Demo can be turned into full version by copying license_key.xml into the folder where EXE and DLL files are located.