This post covers some best free ISO maker tools for Windows 11/10. You can create an ISO image file from a folder, files, or CD/DVD drive.

Microsoft makes the Windows installation media available for download, but you will have to put it into a format that aligns with how you plan to use the installation files.

Use Microsoft's media creation tool Microsoft has a dedicated tool that you can use to download the Windows 10 system image (also referred to as ISO) and create your bootable USB drive. 1.

Let’s assume that you want to clean install Windows 11/10 on a computer from USB. For that, you must have the ISO file to create bootable USB media for Windows.

Windows Insiders can now grab ISO files for Windows 10 version 21H1. These can be used to perform an in-place update or a clean installation.

Will ImgBurn create bootable ISO/IMG files from floppies like the OP requested? In any case, I believe either WinImage (nag/no time-bomb) or Ultraiso (time-bomb) can perform the task.