diff --git a/src/ua-parser.js b/src/ua-parser.js
index 989077151..e6a7114a0 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -719,6 +719,9 @@
 
         os : [[
 
+            // Xbox, consider this before other Windows-based devices
+            /(xbox);\s+xbox\s([^\);]+)/i,                                       // Microsoft Xbox (360, One, X, S, Series X, Series S)
+
             // Windows based
             /microsoft\s(windows)\s(vista|xp)/i                                 // Windows (iTunes)
             ], [NAME, VERSION], [
diff --git a/test/os-test.json b/test/os-test.json
index ab973c0f5..1b05ddca6 100644
--- a/test/os-test.json
+++ b/test/os-test.json
@@ -287,6 +287,42 @@
             "version" : "4"
         }
     },
+    {
+        "desc"    : "Xbox 360",
+        "ua"      : "Mozilla/5.0 (Windows NT 10.0; Win64; x64; Xbox; Xbox 360) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36",
+        "expect"  :
+        {
+            "name"    : "Xbox",
+            "version" : "360"
+        }
+    },
+    {
+        "desc"    : "Xbox One",
+        "ua"      : "Mozilla/5.0 (Windows NT 10.0; Win64; x64; Xbox; Xbox One; WebView/3.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041",
+        "expect"  :
+        {
+            "name"    : "Xbox",
+            "version" : "One"
+        }
+    },
+    {
+        "desc"    : "Xbox X",
+        "ua"      : "Mozilla/5.0 (Windows NT 10.0; Win64; x64; Xbox; Xbox X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.82 Safari/537.36 Edge/20.02",
+        "expect"  :
+        {
+            "name"    : "Xbox",
+            "version" : "X"
+        }
+    },
+    {
+        "desc"    : "Xbox Series X",
+        "ua"      : "Mozilla/5.0 (Windows NT 10.0; Win64; x64; Xbox; Xbox Series X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.82 Safari/537.36 Edge/20.02 ",
+        "expect"  :
+        {
+            "name"    : "Xbox",
+            "version" : "Series X"
+        }
+    },
     {
         "desc"    : "Mint",
         "ua"      : "",