Normally, Windows is installed using optical media like DVDs and CDs but there are times when it is not possible to boot into the windows setup using disks probably because your DVD drive is not working or, if you are using one of those ultra-portable laptops, it is not there at all.
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How To Boot and Install Windows 7 From USB Flash Drive Usually, most people install or reinstall Windows operating system from DVD drive. But, since the USB become popular, we have an alternative to bootBefore that, I have to make the USB flash bootable. In this post, I will discuss the command prompt method. You can make the Windows 7 USB FLash... How to Boot Windows 10 From USB Flash Drive 5#. Please verify the version of Windows 7/8/8.1 before you proceed to generate a Windows 10 bootable media. This is important to check because you cannot use a 32-bit installation of Windows to generate a bootable USB with 64-bit Windows. Boot Windows 10 From USB Flash Drive. How to Install Windows 7 From a USB Drive | GoHacking
How To Install Windows 7 from USB or DVD as a Beginner…