Make sure to enter the correct edition if you choose the wrong edition then you would need to perform a clean install again.
Otherwise, click on “I don’t have a key” or “Do this later”.
Now follow the following steps to clean install Windows 10 using ISO file, Unlike in previous versions of Windows, youll need to use the media creation tool to create an ISO file to install Windows 10. 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. Method 2: Clean Install Using Windows 10 ISO File