StartUp Windows 8 PC with USB Media
The Guide shows you Step-by-Step How Disabling Secure Boot and Boot from USB Installation Media on a PC with Microsoft Windows 8.X Uefi usually Pre-Installed.
And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.
The Contents and Details of Windows 8 How to Disable Secure Boot for Linux Installation Give Focus Only to the Essentials Instructions and Commands and Make the Tutorial Easier to Read and Digest ;)
Booting from USB on a Windows 8 Computer