Step 1: Connect your USB drive to Windows 7 or Windows 8 PC and move all important data to a safe location as the drive will be erased during the process. We also suggest you un-plug any other external hard drive connected to avoid selecting a wrong drive during the drive selection.

Step 2: Open elevated Command Prompt. To do so, you can type CMD in Start menu or Start screen and then simultaneously press Ctrl + Shift + Enter keys. Windows 7 users can also navigate to Start menu, All Programs, Accessories, right-click on Command Prompt and then click Run as administrator option. Click Yes button when you see the UAC prompt to continue.

Note At The time Install Windows 10 from USB drive that it’s very important to open Command Prompt as administrator to avoid errors. Be sure to open the elevated prompt. Most users ignore this step and end up errors while preparing the bootable USB. When you’re launching Command Prompt, you’ll see the UAC prompt where you need to click the Yes button.