This guide will help you with the installation of Windows 3.1 on your flash drive.
WARNING: If you do this, you will lose the data on the flash drive you do this to.
If you would like to install floppy-image-based software, use WinWorld.
For a more convenient way to extract the software, use this program.
How to install the OS:
1. Plug the target flash drive into your PC
2. Open Rufus
3. Select your flash drive
4. Under "Boot selection", select "FreeDOS"
5. Uncheck "Create extended label and icon files"
6. Press "START".
7. Once this is complete, either use the copy method, or the homebrew method.