If you boot from the USB and the installation fails asking for a CD/DVD driver, it is usually because you are using a modern USB 3.0 port, but Windows 7 does not have native USB 3.0 drivers.
Creating a bootable Windows 7 USB takes just a few minutes and saves you from burning DVDs or hunting for optical drives. Follow the steps above, and you’ll be reinstalling or repairing Windows 7 in no time. bootable flash drive windows 7
A bootable USB allows you to install the OS, but you still need a genuine key for activation. 2. Method 1: Using Rufus (Recommended) If you boot from the USB and the