A bootable USB thumb drive is an invaluable tool for fixing computers. You would used a bootable drive for tools like ophcrack, or to run a Live Linux distribution on your Windows PC. Ophcrack allows you to recover user account passwords for a Windows computer, while a Linux distribution is a very handy tool for recovering files on a corrupt Windows installation.
When you watch the video you will see that you have to enter DOS commands into the Command Prompt. Below are the command you need to enter after inserting your USB thumb drive into your computer.
Once the Command Prompt window appears, use the following commands by typing:
select disk 1
create partition primary
select partition 1
Use below to format the drive using ntfs
Or use below to if you wish to format the drive using fat32.
You now need to copy the Linux distro or application tool that you want to use to your now bootable USB drive. Please note that Windows 8 uses Secure boot which might prevent the bootable thumb drive from starting or loading a Linux distribution. You may need to disable the secure boot option via the UEFI Firmware first.