With the ISO file, you can also perform the Windows 10 and 11 upgrades as a clean installation. Use the order details and the Microsoft tool to complete the installation.
More information about a clean install: https://support.microsoft.com/en-us/windows/give-your-pc-a-fresh-start-0ef73740-b927-549b-b7c9-e6f2b48d275e
Windows 10 tool: https://www.microsoft.com/en-gb/software-download/windows10
Windows 11 tool: https://www.microsoft.com/en-gb/software-download/windows11