After downloading the file, return to the Rufus menu.
Select the Language of your choice and click Continue.
When this option is checked, Rufus downloads the most recent update from Microsoft.
However, if you have multiple USB drives attached to your system, you can choose the correct USB from the drop-down menu. Close the window, and under the Device menu, you will notice that the USB drive connected to your system is already selected.
To clean install WindUpdate using Rufus, use these steps: