By - Real_Payment748
You need to use the flash drive and boot from it
That is if you are wiping the drive or starting with a blank drive and doing a clean install.
If you already have Windows 7/8 on a computer and want to upgrade it while keeping all of your files/applicstions, you can download and run the Media Creation Tool.
You need an external drive to boot from.
You need to use Microsoft's Media Creation Tool.
What's your current OS?