List All Files and Sub Directories of All Users Downloads

Please use the below script to get all files of download folder of all users

Explanation:
Finds download folder of all users
Lists all files of each folder recursively

import os
uPath = 'C:\\Users'
lDirectories = os.listdir(uPath)
dPaths = []
for eDir in lDirectories:
    uNPath = os.path.join(uPath, eDir)
    try:
        lSDs = os.listdir(uNPath)
        for eSD in lSDs:
            if eSD.lower() == 'downloads':
                dPaths.append(os.path.join(uNPath, eSD))
            else:
                continue
    except Exception:
        pass

for dPath in dPaths:
    try:
        print(os.popen('dir /s "'+dPath+'"').read())
    except Exception:
        pass

Sample Output: