Extract the zip file to get winSetup From USB folder containing separate files for x86 and 圆4 versions of windows. Step 2: – Download the newest version of WinSetupFromUSB zip file. Backup all data of USB driver before proceeding because it will be erased while making it Bootable. Step 1: – You have to connect your 8GB + USB Flash drive to your PC/Laptop. Recommended: How to Install and Access Pandora Windows App in Windows 8 How To Install Windows 8/8.1, Windows 7, XP From One USB Drive Flash Drive having more than 8GB space.