Now follow the following steps to clean install Windows 10 using ISO file, and many more programs are available for instant and free download.
If you have your Windows 10 ISO File ready to update your system to Windows 10 Latest Update, all you have to do is boot from the disc or USB thumb drive to start the setup. System Utilities downloads - UltraISO by EZB Systems, Inc. 64-Bit Install Windows 7 ISO (Clean Install)