Navigate to C:\ChromeProfiles . You will see folders named Marketing_1 , Marketing_2 , etc., each containing a fully functional Profile directory.

import os import subprocess for i in range(1, 51): profile_dir = f"C:\\ChromeProfiles\\Profile_i" os.makedirs(profile_dir, exist_ok=True) subprocess.run([ "chrome.exe", f"--user-data-dir=profile_dir", "--no-first-run"])