diff --git a/lib/sources.py b/lib/sources.py
index eff3475..c643024 100644
--- a/lib/sources.py
+++ b/lib/sources.py
@@ -30,6 +30,45 @@ def download(url, output):
             last_percent = percent
 
     try:
+        if url.startswith("file://"):
+            file_path = url[7:]
+            if not os.path.exists(file_path):
+                raise Exception("File not found: " + file_path)
+
+            total_size = os.path.getsize(file_path)
+            if total_size <= 0:
+                print("Copying...")
+                with open(file_path, "rb") as src, open(output, "wb") as dst:
+                    while True:
+                        chunk = src.read(8192)
+                        if not chunk:
+                            break
+                        dst.write(chunk)
+                print("Download completed: " + output)
+                return output
+
+            sys.stdout.write("downloading... 0%")
+            sys.stdout.flush()
+
+            with open(file_path, "rb") as src, open(output, "wb") as dst:
+                downloaded = 0
+                block_size = 8192
+                while True:
+                    chunk = src.read(block_size)
+                    if not chunk:
+                        break
+                    dst.write(chunk)
+                    downloaded += len(chunk)
+                    percent = int(downloaded * 100 / total_size)
+                    report_progress(percent)
+
+            if last_percent != 100:
+                report_progress(100)
+
+            sys.stdout.write("\n")
+            print("Download completed: " + output)
+            return output
+
         req = urllib.request.Request(url, method="GET")
         req.add_header(
             "User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36"