diff --git a/frontend/public/data/products.json b/frontend/public/data/products.json
index d6568f5..ee8ad0f 100644
--- a/frontend/public/data/products.json
+++ b/frontend/public/data/products.json
@@ -1,10 +1,8 @@
 {
   "48": "Windows 8.1 Single Language (9600.17415)",
   "52": "Windows 8.1 (9600.17415)",
-  "1904": "Windows 10 Multi-Edition (Includes Business/Enterprise )",
   "2378": "Windows 10 22H2 Home China (19045.2006)",
   "2618": "Windows 10 22H2 v1 (19045.2965)",
-  "2620": "Windows 10 Business Editions (Enterprise/Education)",
   "3113": "Windows 11 24H2 (26100.1742)",
   "3114": "Windows 11 24H2 Home China (26100.1742)",
   "3115": "Windows 11 24H2 Pro China (26100.1742)",
diff --git a/frontend/src/pages/ProductDetailPage.tsx b/frontend/src/pages/ProductDetailPage.tsx
index dacb0bf..3664272 100644
--- a/frontend/src/pages/ProductDetailPage.tsx
+++ b/frontend/src/pages/ProductDetailPage.tsx
@@ -61,6 +61,7 @@ const RELATED_GROUPS: Record<string, { id: string; label: string }[]> = {
     { id: '3262', label: 'Win 11 25H2' },
     { id: '52', label: 'Win 8.1' },
   ],
+
   '52': [
     { id: '48', label: 'Win 8.1 Single Language' },
     { id: '2618', label: 'Win 10 22H2' },