Neowin reports that it is no longer possible to download Windows 11 or 10 ISOs via Rufus.

You can no longer download Windows 11, 10 ISOs via Rufus as Microsoft blocks Fido

If you wished to download Windows ISOs via Rufus, you can no longer do it. That's because Microsoft has seemingly blocked such downloads which were made possible using the Fido script.

You can no longer download Windows 11, 10 ISOs via Rufus as Microsoft blocks Fido