Historically, whether you copied Windows 98 to a directory on your C: drive from DOS called win98.src and installed from there, or created a USB boot of Windows 8 direct from the media’s installer, it’s possible to install the Windows OS from a number of mediums.
But how do you install it from the ISO you’ve just downloaded? Well, read on and find out. If, like us, you have downloaded the Technical Preview for Windows 10, you’ll be itching to try it.