Run the command create partition primary. Create a primary partition on your USB Flash Drive. Your USB Flash drive should be also here. Now you will be able to see a list of your connected drives on your PC. List the available disks by running the command listdisk and hit Enter. Do it, by writing down diskpart and hit Enter. Note: Using this method, you can install only the following Windows OS: Vista, 7, 8 or 8.1. Now you have a portable and bootable USB drive. Copy the whole disc of your operating system installation. This tutorial will make a bootable USB Flash Drive. If it’s required, insert the password of your Administrator account. Now run Command Prompt, by right-clicking on it and choosing Run as administrator. How to ? You can find a complete step-by-step tutorial below, so be patient and stay close!ġst Method: Install Any Operating System on your Personal Computer, using your USB Flash Drive An operating system install drive for your Windows, UNIX and Mac Systems, or even as a diagnostic tool for you desktop or laptop may be the solution. Do you have an USB that you// still don’t use it? Now it’s the time to find a utility for your USB.