To save a file, make sure to put it in a permanent folder. Any file in the Downloads folder could get deleted if your FydeOS device runs out of space.
To keep your files long term, you can move them from the Downloads folder into a permanent folder.
To automatically save files to a permanent folder, .
When you delete a file in your FydeOS's Downloads folder, it's permanent and can't be undone. Only delete files when you won't need them later.