diff --git a/msdls_v3.py b/msdls_v3.py
new file mode 100644
index 0000000..4270923
--- /dev/null
+++ b/msdls_v3.py
@@ -0,0 +1,108 @@
+import argparse
+import json
+import logging
+import uuid
+import time
+import requests
+
+# New v3 JSON Endpoints
+BASE_URL = "https://www.microsoft.com/software-download-connector/api"
+PROFILE = "606624d44113"
+LOCALE = "en-US"
+UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
+
+def setup_session():
+    """Initializes a session with Microsoft tracking servers."""
+    session_id = str(uuid.uuid4())
+    return session_id
+
+def get_product(product_id, session_id):
+    """Fetches product/SKU info for a given ID."""
+    url = f"{BASE_URL}/getskuinformationbyproductedition"
+    params = {
+        "profile": PROFILE,
+        "productEditionId": product_id,
+        "SKU": "undefined",
+        "friendlyFileName": "undefined",
+        "Locale": LOCALE,
+        "sessionID": session_id
+    }
+    headers = {
+        "User-Agent": UA, 
+        "Accept": "application/json",
+        "Referer": "https://www.microsoft.com/en-us/software-download/windows11"
+    }
+    
+    try:
+        r = requests.get(url, params=params, headers=headers, timeout=10)
+        if not r.ok: return None
+        
+        # Handle Microsoft's double-encoded JSON
+        raw_text = r.text
+        try:
+            # First pass: decode the wrapper JSON
+            data = json.loads(raw_text)
+            # Second pass: if the value is a string, it's the real JSON
+            if isinstance(data, str):
+                data = json.loads(data)
+            return data
+        except:
+            return None
+    except Exception as e:
+        logging.error(f"Error fetching ID {product_id}: {e}")
+        return None
+
+def scan_id(product_id):
+    """Checks if a product ID is valid and active."""
+    session_id = setup_session()
+    data = get_product(product_id, session_id)
+    
+    if not data or "Skus" not in data or len(data["Skus"]) == 0:
+        return None
+    
+    if "Errors" in data and data["Errors"] and len(data["Errors"]) > 0:
+        return None
+
+    # MS usually puts the release name in the first SKU
+    skus = data.get("Skus", [])
+    if skus:
+        # Check multiple possible name keys
+        s = skus[0]
+        # ReleaseName is often "Windows 10 Version 22H2 (Updated Oct 2025)"
+        name = s.get("EditionName") or s.get("ReleaseName") or s.get("FriendlyName")
+        if name:
+            return name
+            
+    return f"Windows Product {product_id}"
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Scan for new Windows Product IDs (v3 JSON API)")
+    parser.add_argument("--first", required=True, type=int, help="First ID to check")
+    parser.add_argument("--last", required=True, type=int, help="Last ID to check")
+    parser.add_argument("--write", help="Output JSON file")
+    args = parser.parse_args()
+
+    logging.basicConfig(level=logging.INFO, format='%(message)s')
+    products = {}
+
+    logging.info(f"Scanning range {args.first} to {args.last}...")
+
+    for i in range(args.first, args.last + 1):
+        name = scan_id(i)
+        if name:
+            logging.info(f"✅ FOUND: [{i}] {name}")
+            products[str(i)] = name
+        else:
+            # Only log skips for very small ranges to keep output clean
+            if (args.last - args.first) < 20:
+                logging.info(f"❌ SKIP:  [{i}] Not found")
+        
+        # Be gentle to the API
+        time.sleep(0.5)
+
+    if args.write:
+        with open(args.write, 'w', encoding='utf-8') as f:
+            json.dump(products, f, indent=4)
+            logging.info(f"\nSaved {len(products)} products to {args.write}")
+    
+    logging.info("Done.")