If you get a "Not a DOS disk" error on DH0, your HDF is likely corrupted or not formatted. Re-download the file.
This is where most users get confused. There are two religions in the Amiga HDF world. amiga hdf install download
into an emulator follows a standard procedural path across most platforms (Windows, macOS, or RetroPie/MiSTer). Emulator Setup : Ensure you have the correct Kickstart ROM If you get a "Not a DOS disk"