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”. Follow these steps to install Windows 10 cleanly using ISO file.
All you need to do to get started is to boot from your USB thumb drive or disc. To update Windows 10 to the latest version, you will need your Windows 10 ISO File. Install Windows 7 ISO File (step by step) guide