In this post we will learn about the installation of Windows 7,8,10. How can we install windows without any DVD or CD? We learn how to install windows through our USB. For this only you have to do two things. The first thing you need to do is download Rufus tool. After that download the Windows ISO file. After doing these two things you can install windows in any computer Which is detailed below. What is the benefit of USB ? Its main advantage is that we can do our work without any CD-ROM. And the second advantage is that the virus will never come. And the work will be done very quickly. One thing to note is that your USB drive should be at least 10 GB.