app.py

import gradio as gr

def download_file(file_path):
  return file_path

interface = gr.Interface(
    fn=download_file,
    inputs=gr.File(label="Select file to download"),
    outputs=gr.File(label="Download file"),
    title="Download File",
    description="Select a file from your computer to download."
)

interface.launch(share=True)