diff --git a/Modules/config.py b/Modules/config.py
index 004d5e5..69f66b1 100644
--- a/Modules/config.py
+++ b/Modules/config.py
@@ -163,6 +163,20 @@ parser.add_argument(
     action="store_true",
     help="check all files size when download, this will skip build-in archive",
 )
+parser.add_argument(
+    "--disable-threading",
+    dest="disable_threading",
+    action="store_true",
+    help="disable multithreading download",
+)
+parser.add_argument(
+    "--num-threads",
+    "-t",
+    dest="num_threads",
+    default=3,
+    help="how many threads will be used for parallel download [default: 3]",
+    type=int,
+)
 
 args = parser.parse_args()
 
@@ -181,30 +195,32 @@ if username is not None:
         username = username[0]
 
 # Custom input
-cookies = args.cookies
-output_folder = args.output_folder
-download = args.download
-interval = args.interval
-user_agent = args.user_agent
-start = args.start
-stop = args.stop
-folder = args.folder
+cookies: str = args.cookies
+output_folder: str = args.output_folder
+download: int = args.download
+interval: int = args.interval
+user_agent: str = args.user_agent
+start: int = args.start
+stop: int = args.stop
+folder: str = args.folder
+num_threads: int = args.num_threads
 
 # True\False
 
-login = args.login
-check = args.check
-index = args.index
-submissions = args.submissions
-html_description = args.html_description
-json_description = args.json_description
-metadata = args.metadata
-dont_redownload = args.redownload
-rating = args.rating
-submission_filter = args.submission_filter
-real_category = args.real_category
-request_compress = args.request_compress
-check_file_size = args.check_file_size
+login: bool = args.login
+check: bool = args.check
+index: bool = args.index
+submissions: bool = args.submissions
+html_description: bool = args.html_description
+json_description: bool = args.json_description
+metadata: bool = args.metadata
+dont_redownload: bool = args.redownload
+rating: bool = args.rating
+submission_filter: bool = args.submission_filter
+real_category: bool = args.real_category
+request_compress: bool = args.request_compress
+check_file_size: bool = args.check_file_size
+disable_threading: bool = args.disable_threading
 
 if check_file_size:
     request_compress = False
diff --git a/furaffinity-dl.py b/furaffinity-dl.py
index 9606a84..93cf0aa 100644
--- a/furaffinity-dl.py
+++ b/furaffinity-dl.py
@@ -82,16 +82,19 @@ it\'s already downloaded{config.END}'
                     )
                     continue
 
-                #download(img_url)
-                q.put(img_url)
+                if config.disable_threading:
+                    download(img_url)
+                else:
+                    q.put(img_url)
                 sleep(config.interval)
             q.join()
             page_num = next_button(page_url)
-    stop_threads = True
-    for _ in range(3):
-        q.put("shutdown")
-    for t in workers:
-        t.join()
+    if not config.disable_threading:
+        stop_threads = True
+        for _ in range(config.num_threads):
+            q.put("shutdown")
+        for t in workers:
+            t.join()
 
 
 if __name__ == "__main__":
@@ -125,13 +128,14 @@ is inaccessible{config.END}"
     if config.download is not None:
         download(f"/view/{config.download}/")
         exit()
-        
-    stop_threads = False
-    for id in range(3):
-        print(id, 'started thread')
-        tmp = threading.Thread(target=worker, daemon=False)
-        workers.append(tmp)
-        tmp.start()
+
+    if not config.disable_threading:
+        stop_threads = False
+        for id in range(config.num_threads):
+            print(id, 'started thread')
+            tmp = threading.Thread(target=worker, daemon=False)
+            workers.append(tmp)
+            tmp.start()
 
     if config.submissions is True:
         download_url = f"{config.BASE_URL}/msg/submissions"
@@ -160,6 +164,11 @@ downloading "{config.folder[1]}"{config.END}'
         )
         exit()
 
+    if not config.username:
+        print("Not enough arguments")
+        config.parser.print_help()
+        os._exit(1)
+
     for username in config.username:
         username = username.split("#")[0].translate(
             str.maketrans(config.username_replace_chars)