Obtain the installation media and product key
Configure the boot sequence
Locate application software and licensing keys
Create a system image
Back up existing data
All applications on the destination machine must be reinstalled after performing the Windows 10 clean installation
Installation media can be obtained from a retail store or by creating the media using the Media Creation Tool.
A clean install deletes all existing files. You should back up all data you do not want to lose. You can do this using many different methods
You must configure the destination computer to boot from the installation media
Creating an image of the source computer lets you restore the computer to its original state in the event that the clean install fails