Have you wanted to boot a Different operating system off a Windows 8 Pc and not been able to? Well its more advanced than it used to be on previous Versions of windows. Below are Different methods on how to do it.
Step One: turn on your computer keep hitting the escape(Esc) key.
Step Two: You will get a screen like this
Step Three: Use the arrow keys and click enter on Computer Setup or hit F10
Step Four: Use the arrow keys and navigate to the Security/Boot Tab than navigate to Secure Boot and Disable it ( Varies on Computer Brand)
Step Six: Save settings
Step Seven: Reboot Computer and continuously press down the F9 key. You will get a screen asking for you to press the Esc key. Press the Esc key.
Step Eight: Use the arrow keys and select what device you want to boot off of. For flash drives it will be the manufacture of the flash drive and usually the last option on the list.
Step Nine: Click enter on your choice and enjoy.