How to Install Windows 7 Using USB /Pendrive (Ultimate Version) In this guide, I will share you the whole process to install windows 7 from USB drive (ultimate version). You can install any windows like windows 7/8/10 through the same process. You don’t have to worry about this, I will guide you to the way where you can install windows 7 using USB with picture instruction. You can install windows 7 without CD and It’s really easy to create a bootable USB flash drive with the right installation. Be confident about yourself and If you would like to install windows but don’t have CD or DVD drive, there is a solution for you. But it’s just a guideline to follow, nothing else. Many of us afraid of installing windows and seeking help from others.